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?

x + y = 42 and 0.13x + 0.18y = 6.66
x + y = 6.66 and 0.13x = 0.18y
0.13x + 0.18y = 42 and x + y = 6.66

Answer 1

what do you think?

Answer 2

honestly have no clue, A?

Answer 3

yep! A is correct

Answer 4

thank you!! :)

Answer 5

your welcome :)

Answer 6

you need explanation ?

Answer 7

no its just a multiple choice, thanks though!