cno"0-0(1) (1)g.@~ ..•::c o·...• :::J01/)g.~CM:c,:;::T0-0.•••0OJ'<_.:::J:::J 0033 _.-. III~--I/)IJ) "

•••I\)•••••••

) ) )Why Did the Sports Announcer Say: "Ohl Oh! Ohl Ohl Ohl"?

~ Write the product. then write the letter of the exercise in the box that contains the number of the answer. @G(n;'3Xn-3)

e (n ;'12Xn -12)

8(2n+9X2n-9)

o (4n + lX4n -1)

o (3n + 10X3n -10)

o (8 ;. nXS- n)

G) (n2 + 5Xn2 - 5)

~881k2 - 24k + 4<\.)~e 64 + SOk + 25 k2

-c CD k2 - 16k + 64

G I-14k + 49k2

e 9~ +24k +16e k2 + 10k + 25

e 64 + 60k + 25k2

8 k2 + 30 k + 225

e 81k2 - 36k + 4

e (2x + 3yX2x - 3y)

G) (5x - yXSx + y)

o (7x + 4yX7x - 4y)

8(6x -11yX6x + lly)-u~ G (x2 + 2yXX2

- 2y)f@I§~ 8(lOx - y3XI0x + y3)s:: •]i 0 (3x3 + 8y2X3x3 - 8y2)S::Dla •~~o 0•..• 7("

~OJ

~e a2 - 1200 + 36b2<\.)~e 64a2 -128ab + 64b2

-c CD 49a4 - 56a2b + 16b2

CD 4a2 + 20ab + 25b2

G 100a2 -120ab+ 9b2

e 100a2 - 60ab + 9b2

_ 64a2 - 32ab + 64lf

e 81a4 + 18a2if + b4

e 16a2 + 120ab + 225b2

(1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

-<>: I .Cross a lightning storm with a cashew farm?

$9.22 10.5/'0 16.6/'0 165.2/'0 7.4/'0 8.2/'0 $9.22 21.4/'0 161.5/'0 150/'0 42.9/'0 11.2% 16.6/'0 165.2/'0

2 Cross a weeping willow with a UFO?

8.2% $9.15 6.1/'0 60.970 75.9/'0 33.3% $9.22 27.31'0 58.11'0 165.2/'0 8.2/'0 10.51'0 6.11'0 117.4/0 60.9/0

Do .each exercise and find your answer in the code (some answers are rounded).Each time the answer appears, write the letter of the exercise above it.

Find the percent of increase or decrease.

G. 55 mph to 70 mph E. 92 lb to 200 lb

D. 70 mph to 55 mph

A. 5 ft 1 in. to 5 ft 6 in.

Y. 18.7 kg to 4.5 kg I. 4.72 billion to 3.15 billion

Solve.

O. Adding cheese to a McDonalds'Quarter Pounder increases the fatcontent from 21 g to 30 g. What isthe percent of change?

U. In 10 years, the average number ofhours of1Vwatched per week byteenagers dropped from 23.9 to 21.4.Find the percent of change.

L. Both Bert and Ernie received anincrease in their weekly salaries.Bert's salary increased from $520 to$570. Ernie's salary went from $580to $645. Find the percent of increasefor each salary. What was the largerof the two percents?

C. Mr. Buckle bought 100 shares ofAbacus Corp. stock at $36.75 pershare and sold them at $34.50 pershare. What was his percent loss?

B. In order to get more light into aroom, Mr. Lumen replaced a 3 by 4 ftwindow with a 5 by 6 ft window.What was the percent of increase inthe area of glass?

Ratio, Proportion, and Percent:Percent of Increase or Decrease

S. World population increased from 2.3billion in 1900 to 6.1 billion in 2000.What was the percent of increase?

T. During a sale, the price of a pair ofrunning shoes was marked down from$89.95 to $75.00. What was thepercent discount?

N. Barbara was earning $8.70 per hourwhen she got a 6% increase in pay.What was her rate of pay after theincrease?

R. The town of Pleasantville conducteda 5-year crime prevention program.Based on the graph, what was thepercent of change in the number ofcrimes from Year 1 to Year 5.25r---------------------~I$)

~ 20E".:u 15'tL..10~..s:::.E 5:::lZ o 234

Program Year5

7.17PUNCHLINE • Bridge to Algebra • 2nd Ed.

©2009 Marcy Mathworks