In an art class there are 32 pens to 40 brushes. What is the ratio of pens to brushes written as a fraction in simplest form?
2 answers:
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L = - W
P = 2L + 2W = 2(L + W) → ( take out common factor of 2)
divide both sides by 2
= L + W
subtract W from both sides
- W = L