Sophia goes to the store to buy a notebook that costs $3.27. She gives the cashier a twenty dollar bill. How much change will she get? Show your work.

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

How do you use the elimination method for this question? explain, because i really want to understand!