Question

Can someone please help me solve this?

Answer 1

Answer:19cm

Explanation:

suppose the width is equal to X so 3cm longer than X is equal to X+3

Then you can make equation 2(X+3)+2(X)=70

2x+6+2x=70

4x+6-6=70-6

4x=64

x=16

Width is 16cm.

Length is 16+3 cm=19cm