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In this lesson, we will learn how to use rational equations to describe real-world situations and to solve problems.
It takes Yara 2 hours to pick up 8 kg of strawberries.
When she is helped by her son, Sherif, it takes them 1 hour and a quarter. How long would it take Sherif
to pick up 8 kg of strawberries alone? Give your answer in hours and minutes.
Shady is mixing 75 cL of a beverage that contains 20% of sugar to a 60% sugar syrup. How much of this 60% sugar syrup should be added if he wants his beverage to contain 30% of sugar?
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?
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