Register
Right now, Jack is 10 times older than Jill. In 16 years, he will be twice her age. What are their two current ages?
46.1k views
0 votes
Right now, Jack is 10 times older than Jill. In 16 years, he will be twice her age. What are their two current ages?

User Tim Cavanaugh
by
8.5k points

1 Answer

3 votes
Let Jill be x years old
Jill = x
Jack = 10x

16 years later ...
Jill = x + 16
Jack = 10x + 16

Jack is twice as old as Jill ...
jack = 2 x Jill

10x + 16 = 2 (x + 16)
10x + 16 = 2x + 32
10x - 2x = 32 - 16
8x = 16
x = 2

Jill = 2 years old
Jack = 20 years old

User Goutham Ganesan
by
7.7k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!