PSLE Michael was given a fixed amount of allowance each month. In June, he saved $250 and spent the rest. In July, he saved 30% more and his spending decreased by 10%. How much was Michael's allowance for each month?
|
Savings (%) |
Spending (u) |
Before |
100% $$(n80 |
100 u |
Change |
+ 30% |
- 10 u |
After |
130% |
90 u |
100% of savings = 250
1% of savings = 250 ÷ 100 = 2.5
30% of savings = 30% x 250 = 75
30% of savings = 10 u of spending
10 u of spending = 75
1 u of spending = 75 ÷ 10 = 7.5
100 u of spending = 100 x 7.5 = 750
Michael's allowance for each month
= 100% of savings + 100 u of spending
= 250 + 750
= $1000
Answer(s): $1000