Which proportion correctly represents the statement '45 is 90% of 50'?

$\frac{45}{50} = \frac{90}{100}$

$\frac{45}{90} = \frac{50}{100}$

$\frac{50}{45} = \frac{90}{100}$

$\frac{45}{50} = \frac{100}{90}$

The Percent Equation Practice — Grade 6 math

1. What number is $60\%$ of 150? The answer is ___.
2. The number 24 is what percent of 80?
- A. 20%
- B. 25%
- C. 30%
- D. 40%
3. The number 35 is $70\%$ of what number? The number is ___.
4. Which proportion correctly represents the statement '45 is 90% of 50'?
- A. $\frac{45}{50} = \frac{90}{100}$
- B. $\frac{45}{90} = \frac{50}{100}$
- C. $\frac{50}{45} = \frac{90}{100}$
- D. $\frac{45}{50} = \frac{100}{90}$
5. What number is $15\%$ of 200?
- A. 15
- B. 30
- C. 45
- D. 60
6. A video game is priced at 60 dollars. If it is on sale for 20% off, what is the amount of the discount in dollars? ___
7. A dinner bill is 120 dollars. If the family leaves a 15% tip for the server, what is the amount of the tip in dollars?
- A. 12
- B. 15
- C. 18
- D. 24
8. In a school with 350 students, 40% of the students play a sport. How many students play a sport? ___
9. A service charge of 12% is added to a bill of 50 dollars. Which equation correctly finds the amount of the service charge, $a$?
- A. $a = 12 \times 50$
- B. $a = 0.12 \times 50$
- C. $a = 50 \div 0.12$
- D. $a = 0.12 \div 50$
10. A salesperson earns a 5% commission on their sales. If they make a sale of 3000 dollars, how much commission do they earn in dollars? ___