Project ID:
7200000062
Accepted:
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 $4{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 1:
$$\frac{26}{25}x$$
Question 2:
Number $x$ increased by $10{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 2:
$$1.1\cdot x$$
Question 3:
Number $x$ increased by $15{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 3:
$$1.15\cdot x$$
Question 4:
Number $x$ increased by $9{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 4:
$$1.09\cdot x$$
Question 5:
Number $x$ increased by $20{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 5:
$$\frac65 x$$
Question 6:
Number $x$ decreased by $11{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 6:
$$0.89\cdot x$$
Question 7:
Number $x$ decreased by $9{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 7:
$$0.91\cdot x$$
Question 8:
Number $x$ decreased by $20{\small{{}^\text{o}\mkern-5mu/\mkern-3mu_\text{o}}}$.
Answer 8:
$$\frac45 x$$