Ben is twice as old as his brother. Together, their ages add up to 21. How old is each of them?
B. Ben 14, Brother 7
Lisa is 3 years older than her brother. Together, their ages add up to 17. How old is each of them?
A. Lisa 10, Brother 7
The sum of two consecutive numbers is 21. What are the numbers?
A. 10 and 11
The sum of three consecutive odd numbers is 39. What are the numbers?
A. 11, 13, 15
A farmer harvested 30 more apples than pears. The number of apples harvested was four times the number of pears. How many pears did the farmer harvest?
C. 10
Mark's age is 10 years greater than his brother's age. Mark is also three times as old as his brother. How old is Mark's brother?
B. 5 years old
A shirt costs $18 less than a jacket. The jacket costs four times the price of the shirt. What is the price of the shirt?
C. $6
