Writing, Representing & Evaluating Expressions

Bike Ride

Work Time

Bike Ride

Denzel wants to know how far he rode on his bike today. He biked for 5 hours at a speed of t miles per hour, and then for 2 hours at a speed of s miles per hour.

  • Write an expression that represents how far he rode.
  • Explain what each term in the expression represents.
  • Evaluate the expression for t = 15 and s = 20.

Hint:

  • Write an expression that represents how far Denzel rode for 5 hours at t miles per hour. Then write an expression that represents how far Denzel rode for 2 hours at s miles per hour. Finally, add the expressions to represent how far Denzel rode for the whole day.
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