Answer:i used a calculator 12000
Step-by-step explanation:12 × 10 × 10 × 10 = 12000
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Answer:
Option A.) 88 inches
Step-by-step explanation:
step 1
Find the circumference of the wheel
we know that
The circumference of a circle is equal to
we have
substitute
Answer:
Step-by-step explanation:
63
Answer:
40 mph
Step-by-step explanation:
We assume "outbound" refers to the trip <em>to the lake</em>. The ratio of speeds is inversely proportional to the ratio of times, so ...
outbound speed : inbound speed = 4 : 3
These differ by one ratio unit, so that one ratio unit corresponds to the speed difference of 10 mph. Then the 4 ratio units of outbound speed will correspond to ...
4×10 mph = 40 mph
Paul's average speed on the outbound trip was 40 mph.
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The distance to the lake was 120 mi.
