Victoria wants to buy some files of the same price. If she buys 4 files, she will have $3.40 left. If she buys 6 files, she will short of $1.30.
- How much does each file cost?
- How much does Victoria have?
(a)
Difference in the number of files
= 6 - 4
= 2
Amount that Victoria needs to buy 2 files
= 3.40 + 1.30
= $4.70
Cost of each file
= 4.70 ÷ 2
= $2.35
(b)
Amount that Victoria has
= 4 x 2.35 + 3.40
= $12.80
Answer(s): (a) $2.35; (b) $12.80