138
30 + 5f = 120 -30 -30 5f = 90 /5 /5 f = 18 Check: 30 + 5 (18) = 120 30 + 90 = 120 120 = 120
360
727
18/120 = 3/20
120 + 120 = 240
Finding 120 percent of a number is the same as multiplying the number by 1.2. In this instance, 1.2 x 18 = 21.6.
15% of 120 is 18.0.15 x = 18x = 18/ 0.15x = 120
60 + 60 + 120 = 240
The result of the equation - 120 plus 90 plus 60 plus 80, is found as follows; 120 + 90 + 60 + 80 = ( 120 + 90 ) + 60 + 80 = 210 + ( 60 + 80 ) = 210 + 140 = 350 Answer = 350
120
120 + 30 = 150
120 + 80 = 200