William had $6 and Xena had $40 at first.William save 90 cents a day and Xena saved 40 cents a day.
(a) How long did it take William to save $18? [20 days]
(b) How long did it take for William's total money to be 1 1/2 times of Xena's total money? [Ans: 180 days]
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No. answer for a) should be 14 days. initialy willim has $6. So $18-$6=$12
ReplyDeleteThen $12 dived by ninety cents you will get 13.333333 so we round off to either 13 or 14??