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tino4ka555 [31]
2 years ago
8

the length of each side of the square increases by 2.5 inches to form a new square with a perimeter of 70 inches. The length of

each side of the original square was ____ inches
Mathematics
2 answers:
evablogger [386]2 years ago
6 0

Answer:

The length of each side of the original square was 15 inches

Step-by-step explanation:

Let

x------> the length side of the original square

we know that

The perimeter of a square is equal to

P=4b

where

b is the length side of the square

In this problem

b=(x+2.5)\ in

P=70\ in

substitute

70=4(x+2.5)

solve for x

70=4x+10

4x=70-10

x=60/4=15\ in

lozanna [386]2 years ago
3 0
15 inches.

2.5*4=10

70-10 equal 60

60/4=15.
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