Zoey wants to buy some pencils of the same price. If she buys 3 pencils, she will have $7.60 left. If she buys 9 pencils, she will short of $1.40.
- How much does each pencil cost?
- How much does Zoey have?
(a)
Difference in the number of pencils
= 9 - 3
= 6
Amount that Zoey needs to buy 6 pencils
= 7.60 + 1.40
= $9.00
Cost of each pencil
= 9.00 ÷ 6
= $1.50
(b)
Amount that Zoey has
= 3 x 1.50 + 7.60
= $12.10
Answer(s): (a) $1.50; (b) $12.10