PSLE Paul spent
49 of his money to buy 5 identical pencils. He spent the rest of his money to buy another 6 such pencils and 2 identical markers.
- What fraction of Paul's money was spent to buy the 2 markers? Give your answer in the simplest form.
- For every 3 markers bought, 1 additional marker was given free. How many markers would Paul get in total if he were to spend all his money to buy markers only?
(a)
Cost of 5 pencils =
49 of his money
Cost of 1 pencil
=
49 ÷ 5
=
49 x
15 =
445 of his money
Fraction of Paul's money spent to buy the 6 pencils and 2 markers
= 1 -
49 =
59 Cost of 6 pencils
= 6 x
445 =
2445 of his money
Fraction of Paul's money spent to buy the 2 markers
=
59 -
2445 =
2545 -
2445 =
145 (b)
145 of Paul's money = 2 markers
4545 of Paul's money = 45 x 2 = 90 markers
Number of free markers
= 90 ÷ 3
= 15 r 0
Total number of markers that Paul would get
= 90 + 15
= 105
Answer(s): (a)
145; (b) 105