Variable and Expression pt. 2

Variable and Expression pt. 2

translating from words Ro Algebraic Symbols

• Eve reads 25 pages per hour. Write an expression for the number of pages she reads in h hours.

• h the number of hours that eve reads.

• 25(h) or 25h

• Think: h groups of 25 pages.

Sam is 2 years younger than Sue, who is y years old. Write an expression for Sam’s age.

• Y represents Sue’s age.

• Y-2

• Think: “younger than’” means “less than”

• 
  

William runs a mile in 12 minutes. Write an expression for the number of miles that William runs in m minutes.

• M represents the total time William runs.

•  $\frac{m}{12}$  

• Think: how many groups of 12 are in m?