70 + 70 + 50 + 50 = 240
30 + 50 + 70 = 150
50 + 70 = 120
362. Next time, just use a calculator.
50 plus 50 plus 50 equal 150
20 + 50 = 70.
70
The sum of 70 + 30 + 1250 + 50 + 100 = 1500
250 + 70 = 320
By ranging.
150 one hundred fifty
120
Percentage increase from 50 to 70 is (20/50) x 100 = 40% Percentage decrease from 70 to 50 is (20/70) x 100 = 28.5714%