Samuel wants to buy some pencils of the same price. If she buys 2 pencils, she will have $4.90 left. If she buys 4 pencils, she will short of $1.30.
- How much does each pencil cost?
- How much does Samuel have?
(a)
Difference in the number of pencils
= 4 - 2
= 2
Amount that Samuel needs to buy 2 pencils
= 4.90 + 1.30
= $6.20
Cost of each pencil
= 6.20 ÷ 2
= $3.10
(b)
Amount that Samuel has
= 2 x 3.10 + 4.90
= $11.10
Answer(s): (a) $3.10; (b) $11.10