-240
60 + 60 + 120 = 240
90 + 90 + 60 = 240
The result of the equation - 10 plus 90 plus 60 plus 80, is found as follows; 10 + 90 + 60 + 80 = ( 10 + 90 ) + 60 + 80 = 100 + ( 60 + 80 ) = 100 + 140 = 240 Answer = 240
D + 3D = 240 4D = 240 Divide both sides of the equation by 4: D = 60
60 x 240 = 14400 60% x 240 = 144
four 240 is 4 of 60 60 x 4 = 240
60
60% of 240 = 240*60/100 = 144
14400 is 60 x 240.
240 is 400% of 60.
60 x 4 = 240