5a=8b,那么a:b=8:5,当a=8时,b比a少()%.

问题描述:

5a=8b,那么a:b=8:5,当a=8时,b比a少()%.

37.5%

5a=8b,那么a:b=8:5,当a=8时,b比a少(37.5)%.
a=8
b=5
b比a少(8-5)÷8=37.5%