Question

увеличьте:425 на 4% уменьшите:80 на 25%

Answer 1

425*1.04=442

80*0.75=60

Answer 2

425 - 100%

х - 4%

х= 425*4/100=17

425*17=7225

80 - 100%

х - 25%

х=80*25/100=20

80/20=4