The total monthly incomes of 14 men is $60800.
37 of them earn the same monthly income each. Each of the remaining men earns 4 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 |
6 |
8 |
|
Value |
1 u |
4 u |
|
Total value |
6 u |
32 u |
38 u |
Number of men with lower incomes
=
37 x 14
= 6
Number of men with higher incomes
= 14 - 6
= 8
Total monthly incomes
= 6 u + 32 u
= 38 u
38 u = 60800
1 u = 60800 ÷ 38 = 1600
Difference between the higher monthly income and the lower monthly income
= 4 u - 1 u
= 3 u
= 3 x 1600
= $4800
Answer(s): $4800