The total monthly incomes of 24 men is $43200.
34 of them earn the same monthly income each. Each of the remaining men earns 3 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 |
18 |
6 |
|
Value |
1 u |
3 u |
|
Total value |
18 u |
18 u |
36 u |
Number of men with lower incomes
=
34 x 24
= 18
Number of men with higher incomes
= 24 - 18
= 6
Total monthly incomes
= 18 u + 18 u
= 36 u
36 u = 43200
1 u = 43200 ÷ 36 = 1200
Difference between the higher monthly income and the lower monthly income
= 3 u - 1 u
= 2 u
= 2 x 1200
= $2400
Answer(s): $2400