At a party, colas, squash and fruit juice were offered to guests. A fourth of the guests drank colas, a third drank squash, two fifths drank fruit juice and just three did not drink any thing. How many guests were in all?

Explanation

To solve the problem step by step, we will first define the total number of guests and then set up an equation based on the information given.

### Step 1: Define the total number of guests
Let the total number of guests be \( x \).

### Step 2: Express the number of guests who drank each type of beverage
- The number of guests who drank colas: \( \frac{x}{4} \)
- The number of guests who drank squash: \( \frac{x}{3} \)
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