Zoey wants to buy some pencils of the same price. If she buys 3 pencils, she will have $7.20 left. If she buys 5 pencils, she will short of $2.60.
- How much does each pencil cost?
- How much does Zoey have?
(a)
Difference in the number of pencils
= 5 - 3
= 2
Amount that Zoey needs to buy 2 pencils
= 7.20 + 2.60
= $9.80
Cost of each pencil
= 9.80 ÷ 2
= $4.90
(b)
Amount that Zoey has
= 3 x 4.90 + 7.20
= $21.90
Answer(s): (a) $4.90; (b) $21.90