Question

Laura is three times as old as Luci. In 5 years, the sum of their ages will be 30. What are the current ages of Laura and Luci?

Answer 1

Laura is 15 and luci is 5 years old

Explanation:

Answer 2

Laura is 15 and Luci is 15.

Explanation:

Now...

Laura - 3x

Luci - x

In 5 years...

Laura - 3x+5

Luci - x+5

The sum of that is...

4x+10=30

-10 -10

4x=20

4/4 20/4

x=5

If...

Laura - 5 than.....

Luci - 15 because 5*3 is 15