The present ages of A, B and C are in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. What are their present ages (in years)?
Question
Solution 1
Step 1: Let's assume the present ages of A, B, and C are 4x, 7x, and 9x respectively.
Step 2: According to the problem, eight years ago, the sum of their ages was 56. So, we can write the equation as (4x-8) + (7x-8) + (9x-8) = 56.
Step 3: Simplify the equation: 20x - 24 = 56.
Step 4: Add 24 to bo Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI
Similar Questions
The present ages of three persons are in proportions 4 : 7 : 9.Eight years ago, the sum of their ages was 76.Find their present ages (in years).
The ratio of the ages of A,B and C is 7:5:4. If C’s age is 32 years, the sum of the age of A, B and Ca.128b. 120c.56d.49
The ages of A, B, and C are in the ratio 3:5:7. If the sum of their ages is 90 years, how old is B? Options 20 30 25 35
The present ages of A and B are in the ratio 3 : 4. Ten years ago, this ratio was 4 : 7. The present ages of A and B are respectively?
Eighteen years ago, the ratio of A’s age to B’s age was 8 : 13. Their present ratios are 5 : 7. What is the present age of A
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.