Julie wants to buy some pencils of the same price. If she buys 2 pencils, she will have $3.40 left. If she buys 4 pencils, she will short of $1.70.
- How much does each pencil cost?
- How much does Julie have?
(a)
Difference in the number of pencils
= 4 - 2
= 2
Amount that Julie needs to buy 2 pencils
= 3.40 + 1.70
= $5.10
Cost of each pencil
= 5.10 ÷ 2
= $2.55
(b)
Amount that Julie has
= 2 x 2.55 + 3.40
= $8.50
Answer(s): (a) $2.55; (b) $8.50