PSLE George spent
25 of his money to buy 3 identical pencils. He spent the rest of his money to buy another 4 such pencils and 2 identical notebooks.
- What fraction of George's money was spent to buy the 2 notebooks? Give your answer in the simplest form.
- For every 6 notebooks bought, 1 additional notebook was given free. How many notebooks would George get in total if he were to spend all his money to buy notebooks only?
(a)
Cost of 3 pencils =
25 of his money
Cost of 1 pencil
=
25 ÷ 3
=
25 x
13 =
215 of his money
Cost of 4 pencils
= 4 x
215 =
815 of his money
Fraction of George's money spent to buy the 4 pencils and 2 notebooks
= 1 -
25 =
35 Fraction of George's money spent to buy the 2 notebooks
=
35 -
815 =
915 -
815 =
115 (b)
115 of George's money = 2 notebooks
1515 of George's money = 15 x 2 = 30 notebooks
Number of free notebooks
= 30 ÷ 6
= 7 r 2
Total number of notebooks that George would get
= 30 + 7
= 37
Answer(s): (a)
115; (b) 37