There are 4 times as many alligators as crocodiles. If the total number of alligators and crocodiles is 40 , how many alligators are there
You need to put them in groups of 5 ( 4 alligators+1 crocodile)
40/5=8 groups
32 alligators, 8 crocodile
Answer-
There are 8 crocodiles and 32 alligators.
Solution-
Let's assume,
number of crocodiles = x, so number of alligators = 4x
As the total number of alligators and crocodiles is 40, so
\(\Rightarrow x+4x=40\)
\(\Rightarrow 5x=40\)
\(\Rightarrow x=\dfrac{40}{5}\)
\(\Rightarrow x=8\)
\(\Rightarrow 4\times x=4\times 8\)
\(\Rightarrow 4x=32\)
So, there are 8 crocodiles and 32 alligators.