Question

por favor me ajudem nesta questao

Answer 1

300 g ---------------------------100%
3 g -------------------------------  x
x . 300 = 3 . 100
x = 300/300
x = 1%
300 g ------------------------- 100%
45 g ------------------------------- x
x . 300 = 45 . 100
x = 4500/300
x = 15%
300 g ------------------------------ 100%
90 g -----------------------------------x
x . 300 g = 90 . 100
x = 9000/300
x = 30%
300 g ------------------------------100%
27 g ---------------------------------- x
x . 300 = 27 . 100
x = 2700/300
x = 9%
300 g -------------------------------100%
135 g -------------------------------- x
x . 300 = 135 . 100
x = 13500/300
x = 45%