How many quarters are there in 1 1/2 ?
(a) How many milliamperes are there in 1 ampere? (b) How many microamperes are there in 1 ampere?
Adam has $ 1.50. He only has quarters and nickels with a total of 14 coins. How many quarters does he have? [ 1 quarter = 1/4*1 dollar; 1 nickel = 1/20* 1 dollar ]