Cucumber Onion and Tomato Salad

Ingredients

• 2 cucumbers, peeled and sliced
• 1 red onion, sliced into rings
• ½ pint of cherry tomatoes, sliced in half
• ⅓ cup white vinegar
• ¼ cup oil
• ⅔ cup water
• 3 tbsp granulated sugar
• Salt and pepper to taste