Owen wants to buy some pencils of the same price. If she buys 5 pencils, she will have $5.20 left. If she buys 7 pencils, she will short of $2.90.
- How much does each pencil cost?
- How much does Owen have?
(a)
Difference in the number of pencils
= 7 - 5
= 2
Amount that Owen needs to buy 2 pencils
= 5.20 + 2.90
= $8.10
Cost of each pencil
= 8.10 ÷ 2
= $4.05
(b)
Amount that Owen has
= 5 x 4.05 + 5.20
= $25.45
Answer(s): (a) $4.05; (b) $25.45