Solve for c
c=40
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2.5c=75+25
Add 25 to both sides.
2.5c=100
Add 75 and 25 to get 100.
c=\frac{100}{2.5}
Divide both sides by 2.5.
c=\frac{1000}{25}
Expand \frac{100}{2.5} by multiplying both numerator and the denominator by 10.
c=40
Divide 1000 by 25 to get 40.
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