Answer:
33%
Step-by-step explanation:
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Given information
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100% = $27.60
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Rewriting it
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Find $4.14 in percentage
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Answer: 15%------------------------------------------------------
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Find $31.74 in percentage
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Answer: 115%------------------------------------------------------
Answer:
C is what i think would be the perimeters of the squares.
Step-by-step explanation:
Answer:
15 and 5 hours.
Step-by-step explanation:
Call x the time taken by the first chap, and y the second.

Let's divide by 5 and play with the LHS of the first equation a bit:
we know how much x+y is ( first equation!) let's solve.
At this point it's easy to check that 