Three Bean Salad

Ingredients

• 2/3 c. vinegar
• 3/4 c. sugar
• 1/3 c. oil
• 1 tsp. salt
• 1 tsp. pepper
• 1 (16 oz.) can wax beans
• 1 (16 oz.) can green beans
• 1 (16 oz.) can kidney beans
• 1 small green pepper, thinly sliced
• 1 small thinly sliced onion