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The ratio of the number of apples to oranges is 5:8.

Question: The ratio of the number of apples to oranges is 5:8. If there are 80 oranges, how many apples are there?

A) 40
B) 45
C) 50
D) 55

Solution:

Let the number of apples and oranges be 5x and 8x, respectively. Given that there are 80 oranges:
8x=80
x = 80/8 = 10
The number of apples is:
5x=5×10=50

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