7.5795 ounces of the bar are silver.
Answer:
Step-by-step explanation:
moments about the fulcrum should be equal
IF x is the distance of the fulcrum from the 90 lb child
90[x] = 60[12 - x]
90x = 720 - 60x
150x = 720
x = 4.8 ft
90(4.8) = 432 ft•lb
60(12 - 4.8) = 432 ft•lb
Answer:
m=44
Step-by-step explanation:
The simplified expression would be 5/2, 2.5, or 2 1/2
