Kyle has saved $70 and plans to save $20 a month, while Sylvia has saved $10 and plans to save $40 a month when will their savings be the same.

Month 3!

Step-by-step explanation:

Here, let us go through each part of the question step-by-step!

Month 1.) Kyle has $90 and Sylvia has $50

Month 2.) Kyle has $110 and Sylvia has $90

Month 3.) Kyle has $130 and Sylvia has $130

Woah, looks to me like those are equal values!

In month three they have both have $130!

Month 3

Because: 40 x 3 is 120. 120 plus the $10 Sylvia saved is $130 in total.

For Kyle 20 x 3 is 60 and 60 plus 70 is $130 like Sylvia's