A grade has 81 girls and 72 boys. The grade is spilt into groups that have the same ratio of boys to girls as the whole grade. How many girls are in a group that has 16 boys?

Answers

Answer 1

Answer: There are 81 girls to every 72 boys in total, which can be represented by 81/72, which put into decimal form, is 1.125. If you then take the number of boys in the group, 16, and multiply it by this number (because the problem states that the ratio is constant) you can find the number of girls in the group.

16*1.125=18

So there are 18 girls in a group with 16 boys.

Answer 2

Answer:

There are 18 girls in a group with 16 boys. Hope I could help! :D

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Lamar and Avalyn are raking leaves around a tree in their backyard. The tree has a diameter of 2 feet and is surrounded by a circle of leaves that is 24 feet in diameter. What is the area in square feet of the ground covered by leaves? Use 3.14 for π.(a) 377.94 ft² (c) 452.16 ft²
(b) 449.02 ft² (d) 530.66 ft²

please help!!!!!

Answers

Answer is (b). 449.02 sqr ft. Total area including tree and leaves will be: π r^2 = 3.14 * (12)^2 = 3.14*144 = 452.16 sqr ft Area of tree: π r^2 = 3.14 * (1)^2 = 3.14*1 = 3.14 sqr ft. So, the area covered by leaves will be: 452.16-3.14 = 449.02 sqr ft

The numbers 9, 40, and c are a Pythagorean triple. What is the value of c?A. 41

B. 43

C. 45

D. 49

Answers

$x^2=9^2+40^2\n\nx^2=81+1600\n\nx^2=1681\n\nx=√(1681)\n\nx=41\n\nAnswer:A$

a baseball team played 35 games and won 4/7 of them how many games were won and how many games are lost?

Answers

you need to make the denominator of the fraction equal 35, and 35/7 = 5

multiply 4/7 by 5 to get 20/35

they won 20 out of the 35 total games, and therefore lost 15 games

What is the answer to 80x34

Answers

What is 80 × 34 = ?

80 × 34 = 2720

So, 80 × 34 = 2,720.

Hope I helped ya!!

♥ The X is meaning to times this equation.
♥ Time/Multiply.
♥ You can see this as • x or * when doing multiplication.
♥ Therefore if we solve:
♥ 80*34 we get
♥ 2720

Chitra spent $200 at a thrift shop. She bought 3 rings for $21 each and spent the rest on 4 equally price bracelets. How much did each bracelet cost?

Answers

Cost of Rings = 3 x $21
= $63

Cost of Bracelets = $200 - $63
= $137

Cost per Bracelet = $137 / 4
= $34.25

Therefore, the answer is C

$7.50 admission; 20% off; 5.75% tax

Answers

$45.05 i did the work but i am on my laptop so i cant show you sorry

Answer:

45.05

Step-by-step explanation:

hope this works haha

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