Rebecca wants to buy some pencils of the same price. If she buys 2 pencils, she will have $4.80 left. If she buys 7 pencils, she will short of $2.70.
- How much does each pencil cost?
- How much does Rebecca have?
(a)
Difference in the number of pencils
= 7 - 2
= 5
Amount that Rebecca needs to buy 5 pencils
= 4.80 + 2.70
= $7.50
Cost of each pencil
= 7.50 ÷ 5
= $1.50
(b)
Amount that Rebecca has
= 2 x 1.50 + 4.80
= $7.80
Answer(s): (a) $1.50; (b) $7.80