2.) The cost of mailing a box varies directly with the weight of the box in pounds. It costs $8 to mail a 5 lb
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distance from ice cream to your house=distance from ice cream to friend+distance from friend to your house
distance from ice cream to your house=12
distance from ice cream to friend=?
distance from friend to your house=3
12=?+3
minus 3 both sides
12-3=?+3-3
9=?+0
9=?
answer is 9 miles
distance from ice cream to your house=distance from ice cream to friend+distance from friend to your house
distance from ice cream to your house=12
distance from ice cream to friend=?
distance from friend to your house=3
12=?+3
minus 3 both sides
12-3=?+3-3
9=?+0
9=?
answer is 9 miles