In y+25x+75 how much money will you have in 4 years if you continue this pattern of saving? the pattern is $25.00 per month after starting with 75.00.
What has the lny got to do with anything? I do not understand the question. :(
I suspect this is meant to be:
y = 25x + 75
where x is number of months and y is total amount.
If so, then because there are 48 months in 4 years the amount saved will be y = 25*48 + 75 = $1275