Jack, Janet and Joe had $368 each.
Jack spent $16 each day.
When he had spent all his money, Janet had $115 left after spending the same amount each day.
Joe spent only $92 when Jack had spent all his money.
a) How many days did Jack take to spend all his money?
b) How much did Janet and Joe spend in all per day?(Assume that Joe also spent the same amount a day.)
