Distance, Rate & Time
Your cabin is 157.5 miles away. You travel there at a constant speed of 63 mph. How long does it take to get there?
2.5 hours
Solve the following scaling equation with division and a giant one.
2/3x = 12
x = 18
Solve using fraction busters.
3/4x = 60
x = 80
Forty years ago gasoline cost $0.30 per gallon on average. Ten years ago gasoline averaged about $1.50 per gallon. What is the percent increase in the cost of gasoline?
400% increase in price of gasoline.
What is the mascot for Wayzata High School?
Trojan
Find the distance if the speed is 60mph and the time is 1 hour and 45 minutes.
105 miles
Samantha wants to leave a 15% tip on her lunch bill of $12.50. What scale factor should be used and how much money should she leave?
Since tipping increases the total, the scale factor is (100%+15%) = 1.15.
Using a scale factor of 0.15 is okay if you added it on to the original total at the end.
She should leave $14.50
Solve using fraction busters
2/5x = 42
x = 105
When Spencer was 5, he was 28 inches tall. Today he is 5 feet 3 inches tall. What is the percent increase in Spencer's height?
125% increase in his height
Who lives in a pineapple under the sea?
Spongebob Squarepants!
Find the rate of a car that has traveled a distance of 572 miles in 11 hours.
52 mph
A side of a triangle was reduced by a scale factor of 2/3. If the new side is now 18 inches, what was the original side?
27 inches
Sole using fraction busters:
m/3-(2m)/5 = 1/5
m = -3
A sumo wrestler retired from sumo wrestling and went on a diet. When he retired he weighed 385 pounds. After two years he weighed 238 pounds. What was the percent decrease in his weight?
His weight decreased by about 38.2%
What is the name of the chicken in Disney's Moana?
HeiHei
The CMS hamster race is fast approaching! Fred said that his hamster traveled 60 feet in 90 seconds and Wilma said she timed for one minute and her hamster traveled 12 yards. Which hamster has the fastest rate?
Fred's hamster is faster. Fred's hamster travels 40 feet/minute. Wilma's hamster travels 36 feet/minute.
What is the total cost of a $39.50 family dinner after you add a 20% tip?
$47.40
Solve using fraction busters:
1/3x+1/4x=4
x = 48/7 or 6 6/7
Sara bought a dress on sale for $30. She saved 45%. What was the original cost?
$55
What is the name of the CMS Principal?
Which rate is faster? A. 60 feet in 90 seconds or B. 60 inches in 5 seconds?
B. 60 inches in 5 seconds is faster.
Winter coats are on clearance at 60% off. If the regular price is $79, what is the sale price?
$31.60
Solve using fraction busters:
(y+7)/3 = y/5
y= -17.5 or -17 1/2 or - 35/2
The price of a pair of pants decreased from $49.99 to $19.95. What was the percent decrease in the price?
60.1% decrease
What girl group sings the song "Gabriela"?
Katseye