Ella wants to buy some files of the same price. If she buys 2 files, she will have $4.10 left. If she buys 6 files, she will short of $1.10.
- How much does each file cost?
- How much does Ella have?
(a)
Difference in the number of files
= 6 - 2
= 4
Amount that Ella needs to buy 4 files
= 4.10 + 1.10
= $5.20
Cost of each file
= 5.20 ÷ 4
= $1.30
(b)
Amount that Ella has
= 2 x 1.30 + 4.10
= $6.70
Answer(s): (a) $1.30; (b) $6.70