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15h
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15h
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\frac{1}{2}\times 30h
Add 18 and 12 to get 30.
\frac{30}{2}h
Multiply \frac{1}{2} and 30 to get \frac{30}{2}.
15h
Divide 30 by 2 to get 15.
\frac{1}{2}\times 30h
Add 18 and 12 to get 30.
\frac{30}{2}h
Multiply \frac{1}{2} and 30 to get \frac{30}{2}.
15h
Divide 30 by 2 to get 15.
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Limits
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