Three-quarters of the boats in the marina are white, 4/7 of the remaining boats are blue, and the rest are red. if there are 9 red boats, how many boats are in the marina?

There are 84 boats.

Step-by-step explanation:

Let be "x" the number of boats in the marina.

According to the exercise,   of the boats are white. This is:

You know that of the remaining boats are blue. This is:

And the rest of the boats are red and there are 9 of them.

Knowing this, you can write the following expression:

Finally, you must solve for "x":

answer: 2 and 1

step-by-step explanation: got this question