MATHEMATICS MIDDLE SCHOOL

7.50 admission; 20% off;5.75% tax

Answers

Answer 1

Answer:

For the 20% off, we can make the following rule of three:

7.50 --------------> 100%

x ------------------> 20%

From here, we clear the value of x.

We have then:

Then, subtracting both values we have:

For taxes we have:

6 ---------------> 100%

x'---------------> 5.75%

Clearing the value of x' we have:

Then, adding both values we have:

Answer:

7.50 admission; 20% off; 5.75% tax is:

6.345

Answer 2

Answer: To figure out the amount % off- 7.50×0.2=$1.5 off.
Amount with the discount- 7.50-1.50=$6
The amount with the discount with tax- 6×0.0575=$0.345
The amount with the discount plus tax- 6+0.345=$6.345 or $6.35

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Eli has 7 games on his phone. His sister has 6 more than him. Which ratio compares the number of games on Eli’s phone to the number of games on his sister’s phone?

Answers

13:7 we working on ratios now.

Hope this helps

First figure out how many his sister has so 6+7=13 so the ratio is 7:13 because of how its worded since it says Eli's games first then thats how you get 7 then his sisters 13 so final answer 7:13

Explain how to write an addition sentence for a picture of 5 rows with 3 items in each row

Answers

5 times 3 because 5 rows has 3 in each I'm not a 100 % use but I think so

What is 53=12(m - 3/4)- 16

Answers

We have such equation
53=12(m-3/4)-16
First we have to multiply 12 times every argument from the parethesis.
53=12*m*-3/4*12-16
53=12m-9-16
53=12m-25 /+25 (add 25 both sides)
53+25=12m
78=12m /:12 (divide both sides by 12)
78:12=m
$(78)/(12)=m$
$(13)/(2)=m$
6.5=m - its the answer

53=12(m-3/4)-16 is solved below:

First,
You must multiply 12 by m and 12 by -3/4(0.75) which is 12m and -9

Second,
12m - 9 - 16 ~~Combine Like Terms And It Will Become 12m + 25
53 = 12m + 25 ~~ You Must Subtract 25 From Both Sides Of The Equation And It Becomes 28 = 12m

Third,
28 = 12m ~~divide both sides by 12
12 12 ~~ 12m/12 cancels out and 28/12 is 2

Therefore Your Answer is 2

charlotte has 12 t-shirts. One fourth of her t-shirts are green. How many of Charlotte T-shirts are green

Answers

$(12)/(1)( (1)/(4))=x$

$(12)/(4)=x$

$3=x$

Charlotte has three green t shirts.

Derrick really wants to earn at least $330 at the Bike Shop. He earns $150 per week plus $15.50 for each bicycle that he assembles. How many bikes will he need to assemble this week in order to earn at least $330? (be careful when rounding in a real world problem to make sure that your answer works) Question 1 options: 10 bikes , 11 bikes , 12 bikes , 13 bikes