Question

The perimeter of a chalkboard is 14 feet. The board is 4 feet long. How tall is it?
feet

Answer 1

4 + 4=8

14-8= 6

6/2=3

3 is the answer

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Explanation:

Answer 2

3 feet

Explanation:

l = length

w = width

p = l + l + w + w

l = 4

w = x

2l + 2w = 14

2(4) + 2w = 14

8 + 2w = 14

2w = 6

w = 3