Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.

Start Practicing

Worksheet: Applications of Rational Expressions

Q1:

It takes Victoria  2 hours to pick up 8 kg of strawberries. When she is helped by her son, Ethan, it takes them 1 hour and a quarter. How long would it take Ethan to pick up 8 kg of strawberries alone? Give your answer in hours and minutes.

  • A 2 hours and 30 minutes
  • B 3 hours and 45 minutes
  • C 2 hours and 45 minutes
  • D 3 hours and 20 minutes
  • E 3 hours and 15 minutes

Q2:

Anthony is mixing 75 cL of a beverage that contains 2 0 % of sugar to a 6 0 % sugar syrup. How much of this 6 0 % sugar syrup should be added if he wants his beverage to contain 3 0 % of sugar?

Q3:

A speech therapist charges two different fees, $20 and $35, depending on the type of the session. On a given day, she has already had 3 sessions at $20 and 4 at $35. For the rest of the day, she will only have sessions at $20. How many of those should she give to earn an average rate of $25 per session?