Sally bakes 80 cupcakes for a bake sale. She sold 4 cupcakes and earned $8. How much money can she earn if she sells all the cupcakes.

Answers

Answer 1

Answer: 4/8 = 1/5 = .50

That means each cupcake equals $0.50.

Now, multiply

80 * .5 = 40

Answer: Sally would earn $40 if she sells all the cupcakes

Answer 2

Answer: TO find out how much she would earn for 80 cupcakes we will find the unit rate for the amount she sold and how much she earned. Lets do it:-

8/4 = .50

$0.50 per cupcake

0.50 * 80 = 40

So if she sells 80 cupcakes she will earn $40.

Hope I helped ya!!! xD

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Can you name the values of the given digits in the 3s in 330, how many times greater the first digit is than the second digit

Answers

1st 3 is in the hundreds place
2nd 3 is in the tenths place
the first 3 is 33 times greater

Final answer:

In the number 330, the first 3 is 10 times greater than the second 3. This is because the first 3 is in the hundreds place, making it 300 and the second 3 is in the tens place, making it 30.

Explanation:

In the number 330, the two 3's have different values. The first 3, situated in the hundreds place, has a value of 300. The second 3, situated at the tens place, has a value of 30.

To find out how many times greater the first digit is than the second digit, you divide the value of the first digit by the value of the second digit.

300 ÷ 30 = 10

So, the first digit is 10 times greater than the second digit.

Learn more about place value here:

brainly.com/question/35447631

#SPJ2

McDonald's has sold more than a billion hamburgers. If it were possible to eat a hamburger every minute of every day without stopping, how many years would it take to eat a billion hamburgers

Answers

Generically, you're asking how many years make 1 billion minutes.

(1 x 10⁹ minutes) x (1hr/60min) x (1 da/24hr) x (1yr/365.25da) =

(1 x 10⁹) / (60 x 24 x 365.25) years = 1,901.3 years (rounded)

1 day = 24 hours
24 hours =1440 minutes

1 year = 365 days
365 x 1,440 = 525, 600 minutes per year.

it means, 525600 hamburger per year

Please can you give me some facts on percentages other than how to work them out???

Answers

Say your test is out of 100 and you 75 correct to calculate your percent you would go

75/100*100

/ = Divide
* = Times

percent means parts per hundred.

3% means 3 parts out of 100 parts

obviously decimals and percentages are similar (percentages are just 100 times larger)

to convert a fraction to a decimal, one may do long division or convert the faction to having a denominator of 100

ex) 3/5 100 is 20 times larger than five, so multiply the numerator and denominator by 20 and get 60/100 which is 60 parts per 100 or 60%

this can also be done with 1/6 and other fractions, but it is harder because you have to know how many times larger 100 is which can sometimes defeat the purpose. For 1/6 it is 16.6666666 times larger than 6, so 16.66666666/100 or 16.6666666%

If one has a repeating decimal such as .546 repeating and they wish to convert it to a fraction, all they have to do is divide it by the same number of nines as there are repeating digits. 546/999 is .546 repeating and it reduces to 183/333

if the repeating decimal starts with non-repeating decimals, break it apart into a non-repeating decimal added to a repeating decimal.

.2345345345345345... = .2+ (.345 repeating)/10

= 1/5 + 345/9990
simplify with common denominator
=781/3330

I'm sorry that I couldn't be more helpful, but I thought some random percent knowledge would be better than nothing.

The quadratic function below represents a parabola that opens down. Which value could be the missing number in the equation ? The missing coefficient could be ?

Answers

Answer:

-4

Step-by-step explanation:

The direction of the parabola depends on the sign of the leading coefficient i.e. sign of the coefficient with the squared term.

Remember these two points for vertical parabola:

If the leading coefficient is positive the parabola will always open upwards
If the leading coefficient is negative the parabola will always open downwards

We are given that the parabola opens down. This means that the leading coefficient must be negative. Among the given options only one option contains a negative number i.e. -4.

Therefore, the missing coefficient could be -4

Find the square root of 156.25 by division method

Answers

Hello,

I don't know the divison method but is it these one?

156.25= 625/4=(25/2)²

√156.25= 12.5

What is the constant of proportionality in the equation y=5/4 x

Answers

The constant of proportionality is 5/4 because it is coefficient of y=mx+b.

Answer:

it is 5/4

Step-by-step explanation:

if you add 5/4 but minus it you will see it stays the same

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