Author: Amanda Trader

	There are three exams in a semester. A student received grades of 70 and 86 on the first two exams. What grade must the student earn on the last exam to get an average of no less than 80 for the semester? / Use the BUCK system to break down the word problem / Write all the information you have down.
	Jaylen is twice as old as Shawn and Shawn is 3 years younger than Mark. Their ages add up to 63. How old is Mark, Jaylen, and Shawn? / Use the BUCK system to break down the word problem / Write all the information you have down. / Start BACKWARDS.

	There are three exams in a semester. A student received grades of 70 and 86 on the first two exams. What grade must the student earn on the last exam to get an average of no less than 80 for the semester? / Use the BUCK system to break down the word problem / Write all the information you have down.
	Jaylen is twice as old as Shawn and Shawn is 3 years younger than Mark. Their ages add up to 63. How old is Mark, Jaylen, and Shawn? / Use the BUCK system to break down the word problem / Write all the information you have down. / Start BACKWARDS.