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Community college fees rose from $26 a unit to $36 a unit. What was the amount of the increase?
A$36
B$10
C$26
D$62
Answer & Solution
Correct answer: B. $10
1. The amount of increase is the new amount minus the original amount.
2. Subtract: 36 minus 26 equals 10.
3. So the fee rose by $10 a unit.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 3 "Math Models", section 3.2 Solve Percent Applications_
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