Karen earns $8 per hour at her job. She has $300 saved in the bank. She wants to save at least $2,700 to buy a car.

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

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?

20 ! brainliest ! add and simplify your answer.