7.5 Real World Algebraic Expressions

Johnny is x years old. Thomas is 3 times as old as she is. Jenny is 5 years older than Alexis.

Find Alexis' age in terms of x.

• (x-5) years old

• 3x years old

• (3x-5) years old

• x years old

Johnny is x years old. Thomas is 3 times as old as she is. Jenny is 5 years older than Alexis.

Find Thomas' age in terms of x.

• (x-5) years old

• 3x years old

• (3x-5) years old

• x years old

Johnny is x years old. Thomas is 3 times as old as she is. Jenny is 5 years older than Alexis.

If x=12, how much older is Thomas than Jenny?

• 3 years older

• 12 years older

• 24 years older

• 36 years older

Clare has 8 fewer books than Mai. If Mai has 26 books, how many books does Clare have?

• x - 26 = 8

• x = 26 + 8

• x + 8 = 26

• 26 - 8 = x

A coach formed teams of 8 from all the players in a soccer league. There are 14 teams. How many players are in the league?

• 14 = 8 • y

• y ÷ 8 = 14

• (1/8)y = 14

• y = 14 ÷ 8

Kiran scored 223 more points in a computer game than Tyler. If Kiran scored 409 points, how many points did Tyler score?

• 223 = 409 - z

• 409 - 223 = z

• 409 + 223 = z

• 409 = 223 - z

Mai ran 27 miles last week, which was three times as far as Jada ran. How far did Jada run?

• 3w = 27

• w = 3 ÷ 27

• w = 27 ÷ 3

• w = 3 • 27

Kiran’s backpack weighs 3 pounds less than Clare’s backpack. Clare’s backpack weighs 14 pounds. How much does Kiran’s backpack weigh?

• x + 3 = 14

• 3x = 14

• x = 14 - 3

• x = 14 ÷ 3

Each notebook contains 60 sheets of paper. Andre has 5 notebooks. How many sheets of paper do Andre’s notebooks contain?

• y = 60 ÷ 5

• y = 5 • 60

• y ÷ 5 = 60

• 5y = 60

Mai's water bottle had 24 ounces in it. After she drank ounces of water, there were 10 ounces left.

• 24 ÷ 10 = x

• 24 + 10 = x

• 24 - 10 = x

• x + 10 = 24