The number. the original
by
1. Sushma is now 15 years older than Vijay but in 3 more years she will be 8 times as old as Vijay was 3
years ago. How old are they

Vijay is 6 and Sushma is 21.

Step-by-step explanation:

Let's set up a system of equations for this question.

Let S be Sushma's age and V be Vijay's age.

Manipulate the second equation to isolate S:

Plug in the second equation into the first:

Hope this helped!

-1, -2, -3, -4, -6

step-by-step explanation:

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225