Question

15% de 720 calcule
30% de 40
25% de 200
30% de 40
me ajudem pfvr

Answer 1

15% de 720 720 ---100% X ---15% 100x=10 800 X=10 800÷100 X=108 30% de 40 40 ---100% X ---30% 100x=1200 X=1200÷100 X=12 25% de 200 200 ---100% X ---25% 100x=5000 X=5000÷100 X=50