It costs $2.00 for an ice cream cone plus $0.25 for each extra topping. if cost = the total cost, and t equals the number of toppings. which equation describes this function?

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