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Rational Numbers in the Real World

Last updated 10 months ago

8 Nsɛmmisa

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1.

ASTRONOMY
The pull of gravity on the surface of Mars is 0.38 that of Earth. Write 0.38 as a fraction in simplest form.

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2.

ENERGY
Nuclear power provided 78% of the energy used in France in 2005. Write 0.78 as a fraction in simplest form.

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3.

WEIGHTS AND MEASURES
One pint is about 5/9 liter. Write 5/9 liter as a decimal.

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4.

WEIGHTS AND MEASURES
One inch is 25.4 millimeters. Write 25.4 millimeters as a mixed number in simplest form.

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5.

EDUCATION
A local middle school has 47 computers and 174 students. What is the number of students per computer at the school? Write your answer as both a mixed number in simplest form and a decimal rounded to the nearest tenth.

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6.

BASEBALL
In the 2008 season, the Florida Marlins won 84 out of 162 games. What was the ratio of wins to total games? Write your answer as both a fraction in simplest form and a decimal rounded to the nearest thousandth.

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7.

COLLEGES AND UNIVERSITIES
Recently, a small college had an enrollment of 1,342 students and a total of 215 faculty. What was the student-faculty ratio for this college? Write your answer as both a mixed number in simplest form and a decimal rounded to the nearest hundredth.

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8.

BASKETBALL
In the 2007–2008 season, Dwayne Wade made 439 field goals out of 937 attempts. What was Dwayne Wade’s ratio of successful field goals to attempts? Write your answer as both a fraction in simplest form and a decimal rounded to the nearest thousandth.