Question

20%
de 30? _____
de 70? _____
de 90? _____
----------------------
30%
de 100? _____
de 700? _____
de 400? _____
------------------------
60%
de 350? _____
de 150? _____
de 90? _

Answer 1

20/100___30= 30/100 x 20 =   6
20/100___70= 70÷100 x 20 = 14
20/100___90= 90÷100 x 20 = 18

30/100___100=100÷100×30  = 30
30/100___700 = 700÷100×30= 210
30/100___400= 400÷100×30 = 120

60/100___350 = 350÷100×60 =210
60/100___150= 150÷100×60  = 90
60/100___90= 90÷100 × 60    =54