In a book of stickers the ratio of large stickers to small stickers is 7 to 5. Based on this ratio, how many large stickers are
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Answer:
True, they form a proportion because their cross-multiplication products are equal.
Step-by-step explanation:
True or False?
If they are a proportion, the products you get from cross-multiplying are the same.
Multiply the left numerator by right denominator:
49 X 12 = 588
Multiply the left denominator by right numerator:
21 X 28 = 588
588 = 588
Therefore it is true, 49/21 and 28/12 form a proportion.