How do you solve word problems about the amount it time it takes to do a certain amount of work?
How do you write an solve an equation about two people doing the same job together?
How can you check your solution to a word work problem?
If Mary takes 10 minutes to vacuum a room, and Beth takes 15 minutes, how long will it take them to vacuum the room if they work together?
How do you solve x/10 + x/15 = 1?
How do you solve an equation with fractions by eliminating fractions from the beginning?
How can you estimate how long it will take to complete a task before solving?
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This is another great lesson about two people doing the same job together. You will learn how to determine how long it takes for them to complete the job together if you know how long it takes each of them alone. The concepts behind how this works are explained very well.