6 P5.ST.JC.18121160
Level 3
If Adam's income is increased by 50% and
Bryan's amount is decreased by 30%,
both will get $2100 each.
  1. How much is Adam's income?
  2. How much is Bryan's income?
  3. What is the difference between Adam's income and Bryan's income?
3 m
Percent of a set Percent change by Percent of different bases Equal stage after All change Units method
7 P5.ST.JC.18121161
Level 3
Adam spends $300 of his income and saves the rest.
When he increases his spending by 10%, his savings decreased by 30%
  1. How much is Adam's savings at first?
  2. How much is Adam's savings in the end?
  3. How much is Adam's income?
3 m
Percent change by Percent of different bases Units method
8 P5.ST.JC.19021401
Level 3
If Adam's income increases 10% from $300 and then increases by another 10%, what is Adam's latest income?
3 m
Percent change by Percent of different bases Units method
9 P5.ST.JC.19021402
Level 3
If Adam's income decreases 10% from $330 and then decreases by another 10%, what is the new income?
3 m
Percent change by Percent of different bases Units method
10 P5.ST.JC.18121162
Level 3
If Adam's income increases 10% from $300 and then decreases by another 10%, what is Adam's latest income?
3 m
Percent change by Percent of different bases Units method

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