Practice the questions of **McGraw Hill Math Grade 8 Answer Key PDF Lesson 13.3 Solving Equations with Multiplication and Division **to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 8 Answer Key Lesson 13.3 Solving Equations with Multiplication and Division

**Exercises**

**SOLVE**

Question 1.

7n = 49

Answer:

n = 7,

Explanation:

Given to solve 7n = 49,

So n = 49 ÷ 7 = 7.

Question 2.

\(\frac{q}{5}\) = 9

Answer:

q = 45,

Explanation:

Given to solve \(\frac{q}{5}\) = 9,

So q = 9 X 5 = 45.

Question 3.

12f = 84

Answer:

f = 7,

Explanation:

Given to solve 12f = 84,

So f = 84 ÷ 12 = 7.

Question 4.

\(\frac{42}{b}\) = 14

Answer:

b = 3,

Explanation:

Given to solve \(\frac{42}{b}\) = 14,

So b = 42 ÷ 14 = 3.

Question 5.

3k = 39

Answer:

k = 13,

Explanation:

Given to solve 3k = 39,

So k = 39 ÷ 3 = 13.

Question 6.

55 ÷ s = 11

Answer:

s = 5,

Explanation:

Given to solve 55 ÷ s = 11,

So s = 55 ÷ 11 = 5.

Question 7.

\(\frac{m}{30}\) = 4

Answer:

m = 120,

Explanation:

Given to solve \(\frac{m}{30}\) = 4,

So m = 4 X 30 = 120.

Question 8.

16h = 112

Answer:

7,

Explanation:

Given to solve 16h = 112,

So h = 112 ÷ 16 = 7.

Question 9.

\(\frac{x}{15}\) = 6

Answer:

x = 90,

Explanation:

Given to solve \(\frac{x}{15}\) = 6,

So x = 6 X 15 = 90.

Question 10.

4n = 56

Answer:

n = 14,

Explanation:

Given to solve 4n = 56,

So n = 56 ÷ 4 = 14.

Question 11.

18m = 72

Answer:

m = 4,

Explanation:

Given to solve 18m = 72,

So m = 72 ÷ 18 = 4.

Question 12.

11d = 143

Answer:

d = 13,

Explanation:

Given to solve 11d = 143,

So d = 143 ÷ 11 = 13.