Rierda Elwynn Garvey takes home $1250 each month. In addition to other expenses, she also make payments to her debt of $230 per month. What is her Debt Payments to Income Ratio?

Factor and solve to find roots x squared -x - 90 =0

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Rounded to the nearest tenth, what is the value of x