Sarah is a cliff driver she starts 75 feet above the water dives and dives to 20 feet below the water jada also starts at 75 feet above the water but only dives to 17 feet below the water explain your answer and use a number line or model to defend your thinking

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons