Lesson 6 - Combination - These problems combines all the components of the unit for reinforcement.
Problem 1
Roger has twice as much money as Elaine. Together they have $84. How much does each have? (2x + x = 84 (Elaine: $28, Roger: $56))
Problem 1b
There are 850 students in Franklin High School. There are 30 more girls than boys. How many girls are there? ( x + (x+30) = 850 (440))
Expression Review - Write an expression for each verbal
1. Tyrone has some marbles. He puts x marbles in a bag. In all, he fills five bags, and then he has 3 marbles left over. How many marbles does Tyrone have?
Total number of marbles = 5x + 3
2. Jeff had $50. He gave $y to his son. The remainder was then shared equally between his two daughters. Express each daughter's share in terms of y.
Amount of money shared by the daughters = (50-y)/2
If y=12, how much money did each daughter receive? (19)
3. The admission fee to a bird park is $y. The admission fee to an amusement park is $1 more. Express the admission fee to the amusement park in terms of y. If the admission fee to the bird park is $8, find the admission fee to the amusement park.
Admission Fee for Amusement Park = y + 1 (9)
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