The answer is 8.
8 x 3 = 24
24 + 1 = 25
Hope I helped :)
The percentage increase is 46%.
Original number/start = $15
End number = $22
Increase = $22 - $15 = $7
% increase = Increase ÷ Original Number × 100
Substitute in known values
% increase = 7 ÷ 15 × 100
Divide
% increase = 0.46 × 100
Multiply
% increase = 46%
The percentage increase is 46%.
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824 just add all the sides so 12+12+400+400=824 and in simpler form w2+l2
