SaiBook.us WordProblems

Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Ratios

Grade: 8-a Lesson: S2-L2

Explanation: Hello students, let us discuss few problems on this topic with steps and answers provided for each problem.

Quiz: Discussion in Class

Problem Id	Question	Description	Answer
Steps 1	Solve the problem.	The monthly incomes of two persons are in the ratio of 5:6, and their monthly expenditures are in the ratio of 7:9. If each saves $54 per month, find the monthly income of the 2nd person.	$216
Steps 2	Solve the problem.	Joe weighs 48 kilograms. If he is going to reduce his weight in the ratio of 8:5, find his new weight.	30kgs
Steps 3	Solve the problem.	The cost of a pen is $4, and the price of pencils is $2.50. Find the ratio of the cost of a pen to a pencil.	8:5
Steps 4	Solve the problem.	In a mixture of 21 liters, the ratio of milk to water is 1:2. What is the amount of milk to be added if the ratio has to be 2:1?	21 litres
Steps 5	Solve the problem.	The ages of Abhi and Rajiv are in the ratio 6:8. Three years from now, the ratio of their ages will be 4:5. Find the present ages of them.	9,12

Problem Id

Question

Description

Answer

Steps 1

Solve the problem.

The monthly incomes of two persons are in the ratio of 5:6, and their monthly expenditures are in the ratio of 7:9. If each saves $54 per month, find the monthly income of the 2nd person.

$216

Steps 2

Solve the problem.

Joe weighs 48 kilograms. If he is going to reduce his weight in the ratio of 8:5, find his new weight.

30kgs

Steps 3

Solve the problem.

The cost of a pen is $4, and the price of pencils is $2.50. Find the ratio of the cost of a pen to a pencil.

8:5

Steps 4

Solve the problem.

In a mixture of 21 liters, the ratio of milk to water is 1:2. What is the amount of milk to be added if the ratio has to be 2:1?

21 litres

Steps 5

Solve the problem.

The ages of Abhi and Rajiv are in the ratio 6:8. Three years from now, the ratio of their ages will be 4:5. Find the present ages of them.

9,12