How much did Guya pay for his entertainment system?

Calculating the Cost of Guya's Entertainment System

Guya paid 20% more for a name-brand entertainment system than a generic one would have cost. Assuming the generic system was $400, how much did he pay for his entertainment system?

Question:

How much did Guya pay for his entertainment system?

Answer:

$480

Explanation:

Find 1% of the cost.

100% = 400

1% = 400 ÷ 100 = 4

Since they are asking for the entertainment system, which costs 20% more than the generic, find out 120%.

120% = 4 x 120 = 480