Percent problems

9000078907

Level:

The unknown number

x

has been increased by

20 %

and then decreased by

5 %

. The final value was

513

. Find

x

. (Round to the closest integer.)

450

446

430

436

Level:

A house price in the March was

$ 259 000

. The house has not been sold for several months and the price dropped to

$ 234 000

in August. Write the discount as percents of the original price. (Round to the tenth.)

9.7 %

10.7 %

10.5 %

9.5 %

Level:

The salary of an employee is decreased by the tax at a flat rate

14.5 %

. An employee paid the tax

$ 3 683

. Find his/her take home pay (i.e. the pre-tax income decreased by the tax).

$ 21 717

$ 25 400

$ 21 971

$ 23 352

Level:

If we increase an unknown number

x

5 %

, we get

378

. Find

x

360

359.1

396.9

350

Level:

There is

19

girls and

12

boys in the class. Find the difference between the percentage of the girls and boys in this class.

22.6 %

15.1 %

18.5 %

23.5 %