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azamat
3 years ago
11

The neighborhood association is buying timbers to put around the edge of the playground. The length of the playground is 51 1/8

ft. The width is 38 1/4 ft. What is the perimeter of the playground?
**HINT - you should convert your fraction to a decimal.
Select one:
A. 178.75 ft
B. 178.25 ft
C. 89.25 ft
D. 89.75 ft
Mathematics
1 answer:
Olegator [25]3 years ago
7 0
Hello!

First, we must convert 51 1/8 and 38 1/4 to a decimal:

(51 × 8) + 1 = 409

Next, divide that by 8.

409 ÷ 8 = 51.125

Convert 38 1/4 using the same method.

(38 × 4) + 1 = 153

153 ÷ 4 = 38.25

The formula for perimeter is:

2l + 2w

Substitute:

2(51.125) + 2(38.25) = 178.75

The perimeter of the playground is A. 178.75 ft.
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