|Level:||Primary 6 SA2|
|Subject:||Mathematics Paper 2|
|Degree of Difficulty:||A|
|Type of paper:||Word Problem Q18 Solution|
18. Robert bought some water bottles. The prices were in sets of 3 or 5 as shown in the table.
a) He purchased the same number of silver and yellow water bottles. He paid $21 more for the silver water bottles than for the yellow water bottles. Find the number of water bottles he bought altogether.
b) Helen paid an equal amount of money on the silver and yellow water bottles. Find the fraction of the yellow water bottles she bought. (Give your answer as a fraction in the simplest form.)