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QR Challenge: Chapter 4 Review

QuestionAnswer
Helium gas accounts for less than 0.01% of Earth's atmospheric gases. Write this percent as a fraction in simplest form.1/10,000
The stock of a particular company skyrocketed 1,550% in a one-month period. Write this percent as a decimal.15.5
Venus's diameter is 0.87% of the Sun's diameter. Write this as a decimal.0.0087
Jocelyn expects her new software company to increase its sales next year 2 and 3/4 times their present value. Write this increase as a percent.275%
The Quality Assurance department at a gear company found that there were 3 defective gears for every 500 produced. Write this as a percent.0.6%
Bert got a puppy 8 weeks ago. In this time, the puppy's weight increased 215%. Write this percent as a decimal.2.15
True or False, the decimal 4.65 represents a percent greater than 100%?true
True or False, the fraction 3/5 represents a percent greater than 100%?false
True or False, the decimal 0.125 represents a percent less than 1%?true
True or False, 33/23 represents a percent greater than 100%?true
Find 5% of 180.9
Find 20% of $3.20.0.64
Find 0.1% of 600.0.6
Find 4/5% of 15.0.12
Find 450% of 300.1350
Find 23 and 1/8% of $356.80.$82.51
The Nile River is about 209% the length of the Yukon River. The Yukon River is 3168 km, how long is the Nile River (to the nearest km)?6621
A clothing store had a 30% off sale one week. The next week, the sale offered another 20% off all jackets. If the original price of a jacket was $120, what was the price in the second week?$67.20
A camera normally costs $120. You still need to pay 6% PST and 5% GST. Find the total cost of the camera, including tax.$133.20

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