Asked by turko

20% of the passengers on a bus were children. After 10 adults got off the bus, the percentage of children on the bus increased to 30%. How many passengers were on the bus in the end?
Answered by R_scott
.2 p = c

.3 (p - 10) = c ... .3 p - 3 = c

.2 p = .3 p - 3

solve for p , then subtract the 10 adults that got off
Answered by yummyinmytummy
please put the answer?
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