Mary used 1/4 litres of cooking oil this week and left with 1/2 litres. How much cooking oil Marry has at the beginning of the week?

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Solution

Dear student,
Mary used 1/4 litres of cooking oil this week and left with 1/2 litres.
Hence, initially she had = $\frac{1}{4} + \frac{1}{2} = \frac{1 + 2}{4} = \frac{3}{4}$ litres (Ans)
Regards

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Mary used 1/4 litres of cooking oil this week and left with 1/2 litres. How much cooking oil Marry has at the beginning of the week?

Dear student, Mary used 1/4 litres of cooking oil this week and left with 1/2 litres. Hence, initially she had = 14+12 = 1+24 = 34 litres (Ans) Regards ​​​​​

Dear student,
Mary used 1/4 litres of cooking oil this week and left with 1/2 litres.
Hence, initially she had = $\frac{1}{4} + \frac{1}{2} = \frac{1 + 2}{4} = \frac{3}{4}$ litres (Ans)
Regards