A company placed an order for 20 high-end laptops and some quantity of…
2025
A company placed an order for 20 high-end laptops and some quantity of standard desktops. The price of a high-end laptop was 5 times that of a standard desktop. Due to a mistake, the number of laptops and desktops was interchanged in the delivery. This caused the total bill to increase by 80%. What was the ratio of the number of high-end laptops to standard desktops in the original order?
- A.
1:2
- B.
2:1
- C.
5:2
- D.
2:5
Attempted by 1 students.
Show answer & explanation
Correct answer: D
Let the desktop price be d, so laptop price is 5d. Original bill = 20 x 5d + xd = (100 + x)d. Interchanged bill = 5xd + 20d = (5x + 20)d. Since the bill increased by 80%, 5x + 20 = 1.8(100 + x), giving x = 50. The original laptop:desktop ratio is 20:50 = 2:5.