Percentage Increase and Decrease | math4u.vsb.cz

Submitted by vladimir.arzt on Wed, 08/28/2024 - 11:26

Project ID:

7200000062

Accepted:

SubArea:

Percent problems

Type:

Layout:

Question:

Match each description of the percentage increase/decrease in

x

with the appropriate formula.

Questions Title:

Description

Answers Title:

Formula

Question 1:

Number

x

increased by

4^{o} /_{o}

.

Answer 1:

\frac{26}{25} x

Question 2:

Number

x

increased by

10^{o} /_{o}

.

Answer 2:

1.1 \cdot x

Question 3:

Number

x

increased by

15^{o} /_{o}

.

Answer 3:

1.15 \cdot x

Question 4:

Number

x

increased by

9^{o} /_{o}

.

Answer 4:

1.09 \cdot x

Question 5:

Number

x

increased by

20^{o} /_{o}

.

Answer 5:

\frac{6}{5} x

Question 6:

Number

x

decreased by

11^{o} /_{o}

.

Answer 6:

0.89 \cdot x

Question 7:

Number

x

decreased by

9^{o} /_{o}

.

Answer 7:

0.91 \cdot x

Question 8:

Number

x

decreased by

20^{o} /_{o}

.

Answer 8:

\frac{4}{5} x