Bryan wants to buy some notebooks of the same price. If she buys 5 notebooks, she will have $5.10 left. If she buys 8 notebooks, she will short of $2.40.
- How much does each notebook cost?
- How much does Bryan have?
(a)
Difference in the number of notebooks
= 8 - 5
= 3
Amount that Bryan needs to buy 3 notebooks
= 5.10 + 2.40
= $7.50
Cost of each notebook
= 7.50 ÷ 3
= $2.50
(b)
Amount that Bryan has
= 5 x 2.50 + 5.10
= $17.60
Answer(s): (a) $2.50; (b) $17.60