Question

A man bought 42 stamps, some 13¢ and some 18¢. How many of each kind did he buy if the cost was $6.66? If x represents the number of 13 cent stamps and y the 18 cent stamps, which system represents the problem?

Answer 1

18 cent = 24 and 13 cent = 18 when you add them up it equals 42 .

Answer 2

any questions.......