Humayra borrowed Tk. 240, free of interest, to pay for her new hair band. If she pays back 20% of the amount each month and has already paid back Tk. 120. how many months have passed since she took the loan?

Humayra borrowed Tk. 240, free of interest, to pay for her new hair band. If she pays back 20% of the amount each month and has already paid back Tk. 120. how many months have passed since she took the loan? Correct Answer 2.5 months

As She pays 20% of the amount each month So, 20% of 240 = 20/100 × 240 = 48 tk She paid back 120 tk So, remaining (240 - 120) = 120 48 tk pays back in 1 month So, 120 tk pays back in 120/48 = 2.5 months (ans)
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