Refer to our Texas Go Math Grade 8 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 8 Module 15 Answer Key Sampling.

Find the percent.

Question 1.
20% of 50 ___________
20% = 20/100
$$\frac{20}{100}$$ Ã— 50
2 Ã— 5 = 10
So, 20% of 50 is 10

Texas Go Math Grade 8 Pdf Module 15 Answer Key Question 2.
8.5% of 300 ____________
8.5% = 8.5/100
$$\frac{8.5}{100}$$ Ã— 300
= 8.5 Ã— 3
= 25.5
Therefore 8.5% of 300 is 25.5

Question 3.
175% of 16.8 ____________
175% = 175/100
$$\frac{175}{100}$$ Ã— 16.8
= 1.75 Ã— 16.8
= 29.4
Therefore 175% of 16.8 is 29.4

Solve for x.

Question 4.
$$\frac{x}{12}$$ = $$\frac{24}{36}$$ ____________
Given,
$$\frac{x}{12}$$ = $$\frac{24}{36}$$
x = $$\frac{24}{36}$$ Ã— 12
x = 8

Question 5.
$$\frac{8}{x}$$ = $$\frac{16}{7}$$ ____________
Given,
$$\frac{8}{x}$$ = $$\frac{16}{7}$$
8 Ã— $$\frac{7}{16}$$ = x
x = 7/2
x = 3.5

Go Math Grade 8 Pdf Module 15 Answer Key Pdf Question 6.
$$\frac{5}{6}$$ = $$\frac{x}{18}$$ ____________
Given,
$$\frac{5}{6}$$ = $$\frac{x}{18}$$
x = $$\frac{5}{6}$$ Ã— 18
x = 5 Ã— 3
x = 15

Question 7.
$$\frac{14}{15}$$ = $$\frac{x}{75}$$ ____________
Given,
$$\frac{14}{15}$$ = $$\frac{x}{75}$$
x = $$\frac{14}{15}$$ Ã— 75
x = 14 Ã— 5
x = 70

Find the mean of the data.

Question 8.
55, 44, 53, 62, 51: ____________
Given data 55, 44, 53, 62, 51
mean = sum of observations/number of observations
mean = (55 + 44 + 53 + 62 + 51)/5
mean = 265/5
mean = 53
Thus the mean of the data is 53.

3, 5, 3, 5, 2, 2, 5, 7: _____________
Given data 3, 5, 3, 5, 2, 2, 5, 7
mean = sum of observations/number of observations
mean = (3 + 5 + 3 + 5 + 2 + 2 + 5 + 7)/8
mean = 32/8
mean = 4
Thus the mean of the data is 4.

Visualize Vocabulary

Use the âœ“ words to complete the right column of the chart.

Understand Vocabulary

Complete the sentences using the preview words.

Question 1.
The entire group of objects, individuals, or events is the ____________.
Answer: The entire group of objects, individuals, or events is the population.