Adam has some money to buy some stickers.
If he buys 6 stickers, he will have $15 left.
If he buys 9 stickers, he will need $3 more.
- How much does each sticker cost?
- How much money does he have?
(a)
Difference in the number of stickers in both scenarios
= 9 - 6
= 3
To buy 3 stickers, he needs to use $15 that is left and get an extra of $3.
Difference in the amount to pay in both scenarios
= 15 + 3
= $18
Adam needs $18 to buy 3 extra stickers .
Cost of 3 stickers = $18
Cost of 1 sticker = 18 ÷ 3 = $6
(b)
Amount that he has
= Cost of 6 stickers + 15
= 6 x 6 + 15
= 36 + 15
= $51
Answer(s): (a) $6; (b) $51