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

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
n = 7,

Explanation:
Given to solve 7n = 49,
So n = 49 ÷ 7 = 7.

Question 2.
$$\frac{q}{5}$$ = 9
q = 45,

Explanation:
Given to solve $$\frac{q}{5}$$ = 9,
So q = 9 X 5 = 45.

Question 3.
12f = 84
f = 7,

Explanation:
Given to solve 12f = 84,
So f = 84 ÷ 12 = 7.

Question 4.
$$\frac{42}{b}$$ = 14
b = 3,

Explanation:
Given to solve $$\frac{42}{b}$$ = 14,
So b = 42 ÷ 14 = 3.

Question 5.
3k = 39
k = 13,

Explanation:
Given to solve 3k = 39,
So k = 39 ÷ 3 = 13.

Question 6.
55 ÷ s = 11
s = 5,

Explanation:
Given to solve 55 ÷ s = 11,
So s = 55 ÷ 11 = 5.

Question 7.
$$\frac{m}{30}$$ = 4
m = 120,

Explanation:
Given to solve $$\frac{m}{30}$$ = 4,
So m = 4 X 30 = 120.

Question 8.
16h = 112
7,

Explanation:
Given to solve 16h = 112,
So h = 112 ÷ 16 = 7.

Question 9.
$$\frac{x}{15}$$ = 6
x = 90,

Explanation:
Given to solve $$\frac{x}{15}$$ = 6,
So x = 6 X 15 = 90.

Question 10.
4n = 56
n = 14,

Explanation:
Given to solve 4n = 56,
So n = 56 ÷ 4 = 14.

Question 11.
18m = 72
m = 4,

Explanation:
Given to solve 18m = 72,
So m = 72 ÷ 18 = 4.

Question 12.
11d = 143