A car has 37 litres of petrol in its tank at the start of a journey. It uses petrol at a rate of 6 litres per hour. There are L litres in the tank after t hours. Write a formula for L.

A tank contains 40 liters of petrol. From it, 4 liters are drawn and replaced by kerosene. This process is further repeated two times. Calculate the amount of petrol left finally.19.8729.1623.1225

The given function 𝑔g models the number of gallons of gasoline that remains from a full gas tank in a car after driving 𝑚m miles. According to the model, about how many gallons of gasoline are used to drive each mile?

A family is going on a road trip for their summer vacation. They plan their trip, including travel distances, fuel costs, and food expenses. They plan to travel a total distance of 450.5 km. On the first day, they travel 175.25 km, and on the second day, they travel 198.75 km. How many kilometers are left for them to travel?The car consumes fuel at a rate of 0.08 liters per kilometer. How much fuel will they need for the remaining distance?They fill up the tank with 50 litres of petrol before starting the trip. If they used 20 litres on the first two days, how much petrol is left in the tank?During the trip, they spend ₹450.75 on food on the first day and ₹380.50 on the second day. What is the total amount they spent on food during the first two days? If they budgeted ₹2000 for food, how much money do they have left for the rest of the trip?

A car covered first 150 km distance in 6 liters petrol, next 70 km distance in 3 liters patrol and next 130 km distance in 8 liter. What is the average mileage of the car in the whole journey?

) A tank contains 19 liters of water to start, 4 liters of water flow into the tank while 3 liters of water flow out of the tank per minute. Write a differential for the amount of water A(t) (in liters) in the tank at time t in minutes. =0A(0)= Solve the differential equation: A(t)= Note: use A,A′, etc instead of A(t), dAdt (t) in your answers.