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Yuki888 [10]
3 years ago
11

roy is going to increase the size of his patio to make room for a new bbq grill. The ratio of the area of the old patio to the a

rea of the new patio is 2 1/4 : 6 3/4. Convert this ratio to a unit rate and explain what this unit rate means in the context of this problem.
Mathematics
2 answers:
Vaselesa [24]3 years ago
6 0
We are going to rewrite the ratio.
 We have:
 2 1/4: 6 3/4
 = (2 + 1/4) / (6 + 3/4)
 = (2.25) / (6.75)
 = (225/100) / (675/100)
 = (45/20) / (135/20)
 = (9/4) / (27/4)
 = 9/27
 = 3/9
 = 1/3
 Therefore, we have:
 A1 / A2 = 1/3
 A2 = 3A1
 A1: old patio
 A2: new patio
 Answer:
 
The area of the new patio is three times larger than the area of the old patio.
Yanka [14]3 years ago
6 0

Answer:

1/3

Step-by-step explanation:

2 1/4 divided by 6 3/4

9/4 multiplied 27/4

Cross cancel

1/3

Sorry, this is a late answer.

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===================================================

Explanation:

Since all the sides are 14 feet long, we can basically say length = width = height = 14.

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The volume of the cube is length*width*height = 14*14*14 = 14^3 = 2744 cubic feet.

-----------

The term 14^3 has a base of 14 and exponent of 3.

The base is what we multiply out while the exponent tells us how many copies of the base to multiply. In this problem, we have 3 copies of 14 being multiplied. So that's why 14^3 = 14*14*14

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Choice C isn't correct either since again we're using exponents and not multiplication to tie together the 14 and 3.

Choice D would be correct if your teacher wanted it in expanded form, instead of exponent form.

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