Adam has some money to buy some stickers.
If he buys 2 stickers, he will have $13 left.
If he buys 6 stickers, he will need $7 more.
- How much does each sticker cost?
- How much money does he have?
(a)
Difference in the number of stickers in both scenarios
= 6 - 2
= 4
To buy 4 stickers, he needs to use $13 that is left and get an extra of $7.
Difference in the amount to pay in both scenarios
= 13 + 7
= $20
Adam needs $20 to buy 4 extra stickers .
Cost of 4 stickers = $20
Cost of 1 sticker = 20 ÷ 4 = $5
(b)
Amount that he has
= Cost of 2 stickers + 13
= 2 x 5 + 13
= 10 + 13
= $23
Answer(s): (a) $5; (b) $23