Lesson 7

A crew has paved \(\frac{3}{4}\) of a mile of road. If they have completed 50% of the work, how long is the road they are paving?

40% of \(x\) is 35.

Priya has completed 9 exam questions. This is 60% of the questions on the exam.

1. Write an equation representing this situation. Explain the meaning of any variables you use.

2. How many questions are on the exam? Show your reasoning.

Answer each question. Show your reasoning.

For the equation \(2n - 3 = 7\)

1. What is the variable?
2. What is the coefficient of the variable?
3. Which of these is the solution to the equation? 2, 3, 5, 7, \(n\)

Which of these is a solution to the equation \(\frac{1}{8}=\frac{2}{5} \boldcdot x\)?

\(\frac{2}{40}\)

\(\frac{5}{16}\)

\(\frac{11}{40}\)

\(\frac{17}{40}\)

Find the quotients.

1. \(0.009 \div 0.001\)

2. \(0.009 \div 0.002\)

3. \(0.0045 \div 0.001\)

4. \(0.0045 \div 0.002\)