BRAINLIEST TO CORRECT for companion

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Jennifer taking a quiz and has answered 13 questions so far. if there are 25 questions on jennifer test, how many questions does she have left to answer