The total monthly incomes of 14 men is $79800.
47 of them earn the same monthly income each. Each of the remaining men earns 5 times as much per month. Find the difference between the higher monthly income and the lower monthly income.
|
Men with lower incomes |
Men with higher incomes |
Total incomes |
Number |
8 |
6 |
|
Value |
1 u |
5 u |
|
Total value |
8 u |
30 u |
38 u |
Number of men with lower incomes
=
47 x 14
= 8
Number of men with higher incomes
= 14 - 8
= 6
Total monthly incomes
= 8 u + 30 u
= 38 u
38 u = 79800
1 u = 79800 ÷ 38 = 2100
Difference between the higher monthly income and the lower monthly income
= 5 u - 1 u
= 4 u
= 4 x 2100
= $8400
Answer(s): $8400