There are only 34 mammals in the zoo. There are 5 less giraffes than elephants. The other mammals are bears how many giraffes? and How many bears?

Question

PLEASE HELP THIS IS FOR MY HOMEWOK

Answer 1

Let:

     G = number of giraffes

     E = number of elephants

     B = number of bears

 

The problem gives:

      G + E + B = 34                   (34 mammals total; “rest are bears”)

      G = E -  5                     (“5 less giraffes than elephants”)

 

Put the value of G into the first equation:

     (E - 5) + E + B = 34

             2E + B = 39

 

Then, here are the possibilities:

 

G        E        B   

1        6       27  

2        7       25  

3        8       23  

4        9       21  

5       10     19   

6       11     17   

7       12     15   

8       13     13   

9       14     11   

10     15      9    

11     16      7    

12     17      5    

13     18      3    

14     19      1