Answer:
b=45^1/2
Step-by-step explanation:
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Answer:
i think it was about 5000.
Step-by-step explanation:
A is the correct answer. When put into calculator, the decimals ends.
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Total cost=$142
cost of parts=$62
cost paid for labour=$142-$62=$80
According to question,
》cost of labour per hr=$32
which can be written as,
》cost of labour/time=$32
Use cross multiplication,
》time=cost of labour/32
Since cost of labour is 80,
Time=80/32
=2.5hrs