Hats : Scarves
4 : 3
x3 x3
12 . : 9
After selling 25 hats,
Hats : Scarves
7 : 9
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Find the difference in part for the hats :
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12 - 7 = 5 parts
5 parts = 25 hats
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Find 1 part :
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5 parts = 25
1 part = 25 ÷ 5
1 part = 5
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Find 9 parts (Scarves) :
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1 part = 5
9 parts = 5 x 9
9 parts = 45
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Answer: Bob has 45 scarves.
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