Asher and Jack went to buy hard drives at a sale. The usual price of 1 hard drive was $1700 each.
SALEBuy 1 hard drive at 10% discount
Buy 2 or more hard drives at 15% discount each
- Asher bought 1 hard drive. How much did he pay?
- What is the maximum number of hard drives Jack can buy if he has $8000?
(a)
Discounted price of 1 hard drive in percent if only 1 was bought
= 100% - 10%
= 90%
100% of 1 hard drive = 1700
1% of 1 hard drive = 1700 ÷ 100 = 17
90% of 1 hard drive = 90 x 17 = 1530
Amount that Asher paid for 1 hard drive = $1530
(b)
Discounted price of 1 hard drive in percent if more than 1 was bought
= 100% - 15%
= 85%
85% of 1 hard drive = 85 x 17 = 1445
Amount that Jack paid for 1 hard drive = $1445
Maximum number of hard drives that Jack can buy if he has $8000
= 8000 ÷ 1445
= 5 r 775
Answer(s): (a) $1530; (b) 5