Question

Mary spent of her money on a calculator and of the remainder on a book. What fraction of
her money did she spend on the book?​

Answer 1

The question is not clear. Please mention what fraction of her money she spent on a calculator.

Answer 2

Answer:

12/35

Step-by-step explanation:

Fraction of money spent on calculator = 2/5

Find the fraction of money left:

1 - 2/5 = 3/5

Find the fraction of money spent on a book:

4/7 x 3/5 = 12/35

Answer: She spent 12/35 of the money on a book .

Hope this helps you.

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