Giraffes to monkeys

The ratio of the number of giraffes to the number of monkeys in a zoo is 2 to 5. Which statement about the giraffes and monkeys could be true?

A. For every 10 monkeys in the zoo, there are 4 giraffes.
B. For every  giraffe in the zoo, there are 3 monkeys.
C. For every 6 monkeys in the zoo, there are 15 giraffes.
D. For every 5 giraffes in the zoo, there are 8 monkeys.

Result

x = (Correct answer is: A) Wrong answer

Solution:

r=2:5=0.4  A=4:10=0.4 B=1:30.3333 C=15:6=2.5 D=5:8=0.625  r=A  x=A



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