Answer:
$69.60
Step-by-step explanation:
20% of $58 is $11.60. So you add $11.60 + 58 which equals $69.60, so that is the total cost.
Step-by-step explanation:
(a+b)(ab)

Notice the picture below
now, we know their perimeter are the same for both
thus 4(a+4) = 6a
solve for "a"
The answer would be 5
-2+7=5
-2+7 is like 7-2