Alexander wants to buy some pens of the same price. If she buys 5 pens, she will have $10.30 left. If she buys 7 pens, she will have no money left.
- How much does each pen cost?
- How much does Alexander have?
(a)
Cost of 2 pens = $10.30
Cost of each pen
= 10.30 ÷ 2
= $5.15
(b)
Since Alexander will have no money left if she buys 7 pens, the amount that she has is the cost of 7 pens.
Amount that Alexander has
= 7 x 5.15
= $36.05
Answer(s): (a) $5.15; (b) $36.05