William wants to buy some markers of the same price. If she buys 2 markers, she will have $5.70 left. If she buys 8 markers, she will short of $1.80.
- How much does each marker cost?
- How much does William have?
(a)
Difference in the number of markers
= 8 - 2
= 6
Amount that William needs to buy 6 markers
= 5.70 + 1.80
= $7.50
Cost of each marker
= 7.50 ÷ 6
= $1.25
(b)
Amount that William has
= 2 x 1.25 + 5.70
= $8.20
Answer(s): (a) $1.25; (b) $8.20