Download gas mileage

Section 5.5
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Section 5.5
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Section 5.5
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The repeating part of a decimal can be so long that it will not fit on a calculator.
Most calculators round off repeating decimals to 9 or 10 decimal places.
In applied problems, repeating decimals are generally rounded to a predetermined
degree of accuracy.
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A car goes 587 mi on 23.2 gal of gasoline. The ratio of the
number of miles drives to amount of gasoline used is gas
mileage. Find the gas mileage and convert the ratio to decimal
notation rounded to the nearest tenth.
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ROUND OFF
ERROR!
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PERFECT!
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Homework:
Problem 23 Copy the problem, then
convert to a decimal using division
(show all work).
Problem 55 Give the ratio, then change
to a decimal using division (show all
work), round as directed.
Problem 63 – Use the 4 step approach
to answer the question.
Problems 77, 83 – copy the problem
and solve top down (no = signs). Use
the sand box to show work. Do not
substitute work with use of the
calculator.
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