Question

va rog repede ...ambele exercitii .dau puncte si coroana .imi trebuie in 20 min .va roggg​

Answer 1

1)

a) 25% din 350 = 1/4 * 350 = 87 , 5

b) 20 % din 40 = 20 / 100 * 40 = 800 / 100 = 8

c)I) 20 / 100 * 3500 = 700

 II)40 / 100 * 700 = 280

2

a)3 / 4 * x = 27 => x = 4 / 3 * 27 = 36

b)30 / 100 * x = 15 => 3 / 10 * x = 15 => x = 15 * 10 / 3 = 50

c)40 / 100 * x = 28 => 4 / 10 * x = 28 => x = 10 * 28 / 4 = 70