a) the cost of the house is 96000 and the down paidment is the 20% so we can use a rule of 3 to solve it so:

so the equation will be:

b) her income is $4000 so the 28% will be:

so the equation will be:

c) the equation that models a loan is:

So we replace the princeiple and find monthly paidment.

d)The total monthly paidment will be:

SOo the answer is NO she can't afort to buy this house