In the butterfly museum, there are only pink and yellow butterflies. the ratio of the number of pink butterflies to the number of yellow butterflies is 3: 5. if there are 18 pink butterflies, how many butterflies are there altogether?

 There are 48 butterflies altogether.

Step-by-step explanation:

Since we have given that

The ratio of number of pink butterflies to the number of yellow butterflies is 3:5

So,

Let the number of pink butterflies be 3x

Let the number of yellow butterflies be 5x

As we have given that there are 18 pink butterflies,

So,

So, total number of butterflies is given by

Hence, there are 48 butterflies altogether.

step-by-step explanation: