a bakery gave out coupons to celebrate its grand opening. each coupon was worth either 1$,3$ or 5$. twice as many 1$ coupons were given out as 3$ coupons, and 3 times as many 3$ coupons were given out as 5$ coupons. the total value of all the coupons given out was 360$. how many 3$ coupons were given out?

Question

cpl106 · Answer

Let the number of $5 coupons be x. Then 5x + 9x + 6x = 360, so 20x = 360, x = 18. There are 3 times as many $3 coupons, so 18 * 3 = 54.