Answer :

Answer:To find the wages of 15 laborers for 4 days based on the given information that the wages of 9 laborers for 5 days are $6300, we can set up a proportion to solve for the required amount.

Let's denote the wages of 15 laborers for 4 days as x.

Wages of 9 laborers for 5 days = $6300

We need to find the wages of 15 laborers for 4 days.

5d/4d=6300/x

9*5*x=15*4*6300

45x=60*6300

45x=378,000

x=378,000/45

x=8400

a = $8400

Step-by-step explanation: