Aproximations 121 paper

39.95% of 265 + 35.2% of 178 = 50% of ? + ?% of 80

Root of (0.25 X 0.16) of 15/7

?/528.99 = 324.02/?

(682 % of 782.01) ÷ 85 6.05 = ?

15.5% of 849 + 24.8% of 651 = ?