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.