390
120
200
-10
70
-90
90+x+72+30 = 180. If you add 90+72+30, you get 192. But to get 180 you have to subtract 12. 90+(-12)+72+30 =180 if x is -12
90% of 70= 90% * 70= 0.9 * 70= 63
5f + 60 = 90 90 - 60 = 30 5 * ? = 30 5 * 6 = 30 (5)6 + 60 = 90
The sum of these numbers is 563.
65 + 7 *Note that the answer to this question would have an Infinite number of answers. 72+0, 71+1, 70+2, (-100)+172, etc...
The result of the equation - 70 plus 90 plus 60 plus 80, is found as follows; 70 + 90 + 60 + 80 = ( 70 + 90 ) + 60 + 80 = 160 + ( 60 + 80 ) = 160 + 140 = 300 Answer = 300