A washing machine mixes hot and cold water in the ratio 6 to 5 to make warm water. How many gallons of water will the washing machine need to mix with 30 gallons of cold water to make warm water . Use...

A washing machine mixes hot and cold water in the ratio 6 to 5 to make warm water. How many gallons of water will the washing machine need to mix with 30 gallons of cold water to make warm water   . Use a double number line or a ratio table to solve for this problem from a multiple batches perspective