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Explanation:

The distance around a full circle is equal to 2*pi*r = 2*pi*1.3 = 2.6pi

Cut this in half because we're dealing with a semicircle. So we go from 2.6pi to 1.3pi

This is exactly equal to pi times the radius.

75

step-by-step explanation:

you do x-29=46 (the number of cantaloupes sold)

in order to find x, you have to find what minus 29 equals 46, meaning you'd have to add 29 to 46.

29+46=75

if you replace x with 75, the equation looks like:

75-29=46

x=75