The craft teacher has 12 sheet if blue chart paper and 18 sheets of red chart paper. How many equal piles of chart paper can she make such that each pile has only one colour?
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Find the Prime Factors:
12 = 2² x 3
18 = 2 x 3²
.
Find the HCF:
HCF = 2 x 3 = 6
.
Number of papers in a pile = HCF = 6
.
number of piles of blue papers = 12 ÷ 6 = 2
number of piles of red papers = 18 ÷ 6 = 3
.
Answer: There are 2 piles of blue papers and 3 piles of red papers. Each pile has 6 papers.
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