There are 300 giraffes at a large zoo. The number of giraffes is 3 times the number of all the other animals combined. How many more giraffes are there than non giraffes animals at the zoo? Choose the correct choice from the following answers:
A) 400
B) 360
C) 300
D) 290
E) 200
Answer is D.   Total giraffes= 300 = 3 * Other Animals (X)   or X = 10.   So, 290ifference in giraffes and X = 300-10= 
<gadget id="calculator">300-10</gadget>
<output>290</output>
290.
<result>D</result>
There are 300 giraffes at a large zoo. The number of giraffes is 3 times the number of all the other animals combined. How many more giraffes are there than non giraffes animals at the zoo?