Nora wants to buy some pencils of the same price. If she buys 2 pencils, she will have $7.90 left. If she buys 4 pencils, she will short of $2.70.
- How much does each pencil cost?
- How much does Nora have?
(a)
Difference in the number of pencils
= 4 - 2
= 2
Amount that Nora needs to buy 2 pencils
= 7.90 + 2.70
= $10.60
Cost of each pencil
= 10.60 ÷ 2
= $5.30
(b)
Amount that Nora has
= 2 x 5.30 + 7.90
= $18.50
Answer(s): (a) $5.30; (b) $18.50