7-8 Work Problems
Pre-Ap Algebra 1
I don't understand how to do these types of problems, could someone please help me, Thanks!
Here are a few... I just don't understand the concept....
1.) Rita takes 3 h to type a report. What part of the typing can she do in 2 h? in x h?
We are supposed to use the formula:
Work rate X time = work done
Thanks Again :)
You can ask one question at a time.
I will answer the first question.
1. Rita can types 1 report per 3 hours.
We need to know the amount of work she does in 2 hours.
We will use ratio.
Let the amount of work be x.
==> 1 report ==> 3 hours.
==> x report ==> 2 hours.
We will cross multiply.
==> 3*x = 1*2
==> 3x = 2
==> x = 2/3
Then, Rita can types two third (2/3) of the report in 2 hours.