Answer :
answer: the watermelon costs $1 and the honeydew melon costs $3.
x = honeydew costs y = watermelon cost
3x+7y = 16
3(3)+7(1) = 16
9+7 = 16
7x+4y = 25
7(3)+4(1) = 25
21+4 = 25
x = honeydew costs y = watermelon cost
3x+7y = 16
3(3)+7(1) = 16
9+7 = 16
7x+4y = 25
7(3)+4(1) = 25
21+4 = 25