A local hardware store sold 12 percent of its hammers on Saturday . If the hardware store sold 9 hammers on Saturday how many hammers did the store have in stock to begin with ?

Answers

Answer 1

Answer: $(12)/(100)$ = $(9)/(x)$ Cross multiply

12x=900 Divide both sides by 12.

x=75 hammers to begin with.

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The length of a flowerbed is 4 times as long as its width. If the width is 3/8 meter, what is the area?

Answers

Answer: $A=(9)/(16)\ m^2$ (or $\ 0.5625\ m^2$ )

Step-by-step explanation:

The area of a rectangle can be calculated with the following formula:

$A=lw$

Where "l" is the lenght and "w" is the width.

In this case we know that the length of a flowerbed is 4 times as long as its width. This can be expressed as:

$l=4w$

We know that the width of the flowerbed is:

$w=(3)/(8)\ m$

Therefore, substituting the width into $l=4w$ , we get that the length is:

$l=4w\n\nl=4((3)/(8)\ m)\n\nl=(3)/(2)\ m$

Finally we can substitute the width and the lenght into the formula for calculate the area of a rectangle:

$A=((3)/(2)\ m)((3)/(8)\ m)\n\nA=(9)/(16)\ m^2$

(or $\ 0.5625\ m^2$ )

3/4 = 0.75 (width)
0.75 * 4 = 3 (width * 4 = length)
3 * 075 = 2.25 (width * length = area)

What is negative 4 minus negative 2?

Answers

-4 - (-2) = -4 + 2 = 2 - 4 = -2

The value of the verbal expression is -2.

Given that a verbalexpression negative 4 minus negative 2, we need to solve this,

To subtract a negative number, you can rewrite it as adding the opposite. Therefore, "negative 4 minus negative 2" can be rewritten as "negative 4 plus positive 2."

When you add a negative number and a positive number, you can simply combine them by their absolute values and use the sign of the larger number. In this case, the absolute values of 4 and 2 are the same, so the result will have the same sign as the larger number, which is negative.

Therefore, "negative 4 plus positive 2" equals -2.

So, negative 4 minus negative 2 is equal to -2.

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How many groups of 8 in 80?

Answers

Isn't that means divide 80 with 8?
the answer is 10

There are 10 groups of 8 in 80. 8 * 10 = 80 Hope this helps!

Jose is trying to decide how many friends he can invite to his roller skating party. Skate rentals cost $2.50 per person, including Jose, and he knows that 3 adult chaperones plan to skate.How many friends can Jose invite if he wants to spend only $50.00 total on skate rentals?

Jose can invite___friends.

Answers

Answer:

Jose can invite 16 friends.

Step-by-step explanation:

For roller skating, the skate rentals charge $2.50 per person.

Jose has to invite friends and wants to spend a total of $50.

$50 / $2.50 = 20

So, for $50.00, 20 people can enjoy roller skating.

Out of these 20 people, one will he Jose himself and 3 will be the adult chaperones.

20 - 4 = 16

Therefore, Jose can invite 16 friends for roller skating.

Jose can invite 46 of his friends, given that there isn't tax. Because with a ticket costing $2.50 a person, and he at least knows that 50 people can go, and that 4 people are planning to, and are going to skate already.

The product of 2 numbers is 20. Their difference is 8. What are the two numbers?

Answers

Answer:

the value of x is 10 and y is 2

Step-by-step explanation:

$(x)(y) = 20 \: \: \: \: ..(1) \n x - y = 8 \: \: \: \: \: ..(2) \n x = 8 + y \n (8 + y)(y) = 20 \n 8y + y {}^(2) = 20 \n y {}^(2) + 8y = 20 \n y {}^(2) + 8y - 20 = 0 \n y {}^(2) + 10y - 2y - 20 = 0 \n y(y + 10) - 2(y + 10) = 0 \n (y - 2)(y + 10) \n y - 2 = 0 \: \: \: \:o r \: \: y + 10 = 0 \n y = 2$

$y = - 10 \n not \: \: \: \: \: possible$

now,

put y = 2 in (2)

$x - 2 = 8 \n x = 10$

Verification

$(10)(2) = 20 \n 10 - 2 = 8$

Verified

Answer:

10 and 2

Step-by-step explanation:

10 x 2 = 20. If you subtract 10 by 2, it equals 8. Hope this helped!

A ski club charges a $45 membership fee plus $18 to rent ski equipment per day. Which of the following equation can be used to find the total cost of membership at the club, when renting equipment for X days?

Answers

Answer:

y = 45 + 18x. The $45 is a constant number, and you add $18 for very additional day.

45+(18x)

if x equals the number of days

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You can mow 800 square feet of lawn in 15 minutes at this rate how many minutes will it take you to mow a lawn that measures 6000 square feet? Part A write a proportion to represent the problem. Use M to represent the number of minutes. Explain your reasoning. Part B solve the proportion you wrote in part A. Then use it to answer the problem. Show your work.