A measurement is given. Find the minimum and maximum possible
measurements.
- A doctor m easures a p a tie n t’s w eight as 162 lb to th e n ea rest pound.
- An ostrich egg has a m ass of 1.1 kg to th e n ea rest te n th of a kilogram.
- The length of an onion cell is 0.4 m m to th e n ea rest te n th of a millimeter.
See Pr o b l em 4.- Geom et ry The table below shows th e m easu red d im ensions of a p rism an d th e Se e Pr o b l em 5.
m inim um a n d m axim um possible d im ensions b ased on th e greatest possible error.
W hat is th e greatest possible p ercen t error in finding th e volum e of th e prism?
Length Width U 2 I,.;;
Measured 10 6 4
Minimum 9.5. ii,!■ r 1 „
5.5 3.5
Maximum 10.5 6.5 4.5
24. Geom et ry The side lengths of th e rectangle at th e right have b e e n m easu red
to the n ea rest half of a meter, as shown. W hat is th e greatest possible percent
error in finding the area of th e rectangle?
Find the percent change. Round to the nearest percent.
7.5 m- 2 ft to 5^ ft
- $8.99 to $15.99
26. 18 lb to 22 | lb
29. $168.45 to $234.56
18.5 m- 140|gto80|g
- $4023.52 to $982.13
The measured dimensions of a rectangle are given to the nearest whole unit.
Find the minimum and maximum possible areas of each rectangle.
- 7 m b y 8 m 32. 18 in. b y 15 in. 33. 24 ft by 22 ft
- Writ ing How are p ercen t change a n d p ercen t error similar?
- Open-Ended Write a p ercen t change p ro b lem th a t you recently experienced.
- Think About a Plan In o n e season, an average of 6500 fans a tte n d e d each hom e
gam e played by the basketball team at a college. In th e next season, th e average
n u m b e r of fans p er gam e increased by a b o u t 12%. W hat was th e average n u m b e r of
fans p er gam e for th at season?- W hat is m issing—the new a m o u n t or th e original am ount?
- How can a p ercen t change help you find th e m issing am ount?
- Error Analysis A stu d en t is trying to find the p ercen t of change
w h en an a m o u n t increases from 12 to 18, as show n. D escribe
an d correct the stu d en t's error.
-new amount - original amounh
^original amounjIPowerAlgebra.com ^ 1 L e s s o n 2 - 1 0 C h a n g e E xpre ssed as a P e rc e n t
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