If the backpack weighs 120 N, then the equivalent
weight in pounds is about 26.98 .
All that business about lifting and joules of work is
completely irrelevant to this question.
answer
x=14
Step-by-step explanation:
4.5(8-x)+36=102-2.5(3x+24)
36-4.5x+36=102-7.5x-60
-4.5x=42-7.5x
7.5x-4.5x=42
3x=42
x=42/3
x=14
The circumference of the circle is about 25.12 inches. Hope it help!