the sum for 20 + 40 + 70 + 80 = 210
This is -70.
-16 + - 40 = -(16 + 40) = -56
this equals 818
70 x 1.4 ie 98. 40% of 70 is 28. If you add 28 to 70 the answer is 98.
No, this is not correct! -40 + (-70) = We have to add them and put the sign of the greatest number. Since the signs are the same the answer is -110.
36 plus 40 plus negative 2 is equal to 74.
the sum for 20 + 40 + 70 + 80 = 210
This is -70.
-16 + - 40 = -(16 + 40) = -56
-4+70=66
190
70
this equals 818
-70
70 x 1.4 ie 98. 40% of 70 is 28. If you add 28 to 70 the answer is 98.
-90 (when you add a negative you simply subtract so -40-50 is -90)