Sophia finished 2/3 of a book. She calculated that she finished 90 more pages than she has yet to read. How long is her book?
1 answer:
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Answer:
Step-by-step explanation:
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50*50 is 2,500
Answer:
B. 18 cm.
Step-by-step explanation:
Because they are similar, we can say that segment AC corresponds to segment DF, and segment AB corresponds to segment ED. So, we can set up a proportion.
2 * x = 12 * 3
2x = 36
x = 18
So, the length of ED is B. 18 cm.
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