Asked by Macy

The amount a spring will stretch S is proportional to the force (or weight) F attached to the spring . If a spring stretches 8.9 inches when 20 pounds are attached how far will it stretch when 70 pounds are attached?

A:3.54 inches
B:2.54 inches
C:31.15 inches
D:30.15 inches

Can someone help me this is the only one I'm not sure about.
Answered by Steve
(70/20) * 8.9
Answered by Gayle
Thank You
Answered by Chichi
Go from here.
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