Question

The Beach Hut purchased a supply of sunglasses and visors. The ratio of sunglasses to visors was 7:4. Each pair of sunglasses cost $6.00, each visor cost $4.50, and the total bill was $720. How many pairs of sunglasses were purchased?

Answer 1

Hi, i think is like this:    7. 65.45 =458.15
 
7x +4x + 720              4 . 65.45 = 261.80
11x = 720
x = 720/11
x=65.45