10% of 450 dollars is equal to 0.1×450 or $45.
If she pays her parents $45 each week, it will take her 1500 ÷ 45 weeks to pay them back.
1500 ÷ 45 = 33 [tex] \frac{1}{3} [/tex]
Even though this would ordinarily be rounded down to 33, Her loan would not be paid off at the end of 33 weeks, so it must be rounded up to 34 weeks.
It will take Enjoy 34 weeks to pay off the loan.