Ok so if 1 cm= 9.7 miles
and we have 4 cm
we can multiply 4 by 9.7 (4 x 9.7)= ANSWER IS 38.8
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Another way u can think is if 1 cm= 9.7 miles
and there is 4 cm
we can add 9.7 four times to get our answer
ANSWER=38.8