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David has \$5 in his wallet. This was 10% of the amount that he received from his mother. Find the total amount of money that David received from his mother.

35% of the number of books Ibrahim owns are fiction boos, find:
a.) the total number of books he owns.
b.) the number of non-fiction books he owns.

• Maths Percentage (6th Grade) -

non-algebraic way:

5% = \$5
so 1% = 5/5 = \$1
100% = 100(1) = \$100

algebraic way:
.05x = 5
x = 5/.05 = 100

Do your second question in the same way.

• Maths Percentage (6th Grade) -

100 / 10 = 10
5 x 10 = 50

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