1003055401 | math4u.vsb.cz

SubArea:

Percent problems

Level:

Project ID:

1003055401

Accepted:

1

Clonable:

0

Easy:

1

The number

x

is by

10 %

bigger than the number

y

. It means that:

x - y = 0.1 y

x = y + 10 %

y = \frac{9}{10} x

x - 0.1 x = y