Chapter 10: Problem 19
If
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Chapter 10: Problem 19
If
These are the key concepts you need to understand to accurately answer the question.
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Get started for freeJohn spent 40 percent of his earnings last month on rent and 30 percent less
than what he spent on rent to purchase a new dishwasher. What percent of last
month's earnings did John have left over?
A.
Jane makes toy bears. When she works with an assistant, she makes 80 percent
more bears per week and works 10 percent fewer hours each week. Having an
assistant increases Jane's output of toy bears per hour by what percent?
A.
One used-car salesperson receives a commission of
A machine manufactures notebooks in a series of five colors: red, blue, black,
white, and yellow. After producing a notebook of one color from that series,
it produces a notebook of the next color. Once five are produced, the machine
repeats the same pattern. If the machine began a day producing a red notebook
and completed the day by producing a black notebook, how many notebooks could
have been produced that day?
A.
If a bicyclist in motion increases his speed by 30 percent and then increases
this speed by 10 percent, what percent of the original speed is the total
increase in speed?
A
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