Question:
A man bought 3/5 as many cartons of mangoes as papayas.
He paid $540 for the mangoes and papayas.
The total cost of the mangoes was twice that of the papayas.
Each carton of mangoes cost $28 more than each carton of papayas.
(a) How much did he pay for the mangoes?
(b) How many cartons of papayas did he buy?