Question

(0,54+3,21)x(8,31%-1,2%):(3,51+43%) =

Answer 1

(0,54 + 3,21) × (8,31% - 1,2%) ÷ (3,51 + 43%)
= 3,75 × 7,11% ÷ (3,51 + 0,43)
= (375/100 × 711/100) ÷ 3,94
= 2133/80 ÷ 394/100
= 2133/80 × 100/394
= 10665/1576
= 6 1109/1576