Answer:
the scale factor and the ratio of their perimeters is 8/9
Step-by-step explanation:
k^2=area 1/area 2
k^2=64/81
=square root if k^2=square root of 64/81
=<u>k</u><u>=</u><u>8</u><u>/</u><u>9</u>
1/20 is the fraction that you'll have left
42/28 = 1.5
3 times 1.5 = 4.5
he would be able to run 4 and a half miles in 42 minutes
Answer:
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Step-by-step explanation: