The answer is 30
You multiply 2 x 30 which is 60 and 60 + 30 = 90
hope this helps :D
Answer:
it could be a formula ex- l times w = area
Step-by-step explanation:
We know that Ava is paying $2 dollars per week so if L is the money that she owes and t is the number of weeks, and I is the initial debt so we can write an equation like:

Now we can replace the info we have to find the value of I so:

and we solve for I

So the final equation will be:
Exact form 27/4
decimal form 6.75
mixed number form 6(3/4)