Word problems: perimetre of a rectangle
Write an equation for the situation, then solve it.
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A rectangle is 8 cm wide. Its perimeter is 22 cm. How many cm long is it?
Answer: 3
A rectangle is 3 cm wide. Its perimeter is 32 cm. How many cm long is it?
Answer: 13
A rectangle is 14 cm wide. Its perimeter is 44 cm. How many cm long is it?
Answer: 8
Tip: Write an equation for the situation, then solve it.
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