The total weight of iron balls and 5 metal balls is 122.5kgs. each iron ball has 5 times heavy as a metal ball. find the difference in weight an iron ball and metal ball.
Answers
Answered by
1
Answer:
14kgs fourteen kilograms
Answered by
4
Answer:
14kg
Step-by-step explanation:
t=122.5kg=(6*ibw)+(5*mbw)=(6*5*mbw)+(5*mbw)=35mbw
mbw=t/35=122.5/35=3.5kg
ibw=5*mbw=5*3.5=17.5kg
t=(6*ibw)+(5*mbw)=(6*17.5)+(5*3.5)=122.5kg
dw=3.5-17.5=14kg
dw= difference between weight
ibw=iron ball weight
mbw=metal ball weight
t=total weight
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