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In a zoo the ratio of giraffes to apes is 6 to 5 and the ratio of apes to zebras is 8 to 1. What is the minimum number of zebras the zoo could have?

 Jan 20, 2021
 #1
avatar+536 
+1

Say we have 48 giraffes and 40 apes

THen we would have 5 zebras

The GCD of these numbers is 1, so we cant simplify these numbers anymore

 

SO the zoo has 5 zebras

 Jan 20, 2021
 #2
avatar+266 
+1

Heres another way to do it MooMooooMooM:

We know that the numero of apes must have factors of 4 and 5
20 is the smallest number that has these factors,

the smallest number of zebras is 5.

 

cheekycheekycheeky

 Jan 20, 2021

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