Unit Rates
Is 3 bags of onions cost $5.95, how much is one bag?
$1.98
Izzy can type 128 words in 3 minutes. How many can she type in 5 minutes?
About 213 words (213.33..)
15 is 30% of what number?
50
A baby weighs 8 pounds at birth. At his four months appointment, he weighed 24 pounds. By what % did his weight increase?
200% (number on calculator was 2 and 2 = 200%)
Savannah invested $3000 at a rate of 7% over 5 years. How much interest will she earn?
$1,050
If you can but 2 burgers at Wendy's for $, how much would you pay for 1 burger?
$2.99
MSU accepts 30 students for every 40 who apply. If a total of 100 apply, how many students will they accept?
75
Bailey's dinner bill was $40. If she wants to leave a 20% tip, how much will she leave?
The price of gas started at $2.28 but went up to $3.40. By what % did the price change?
49% (.491 was # on calculator so it stays at 49)
Sophia places $12,500 into an account that earns 4%. if she leaves her money in there for 3 years, how much interest will she earn?
$1500
A gear rotates 4 times every 10 seconds. Based on this rate, which is true?
A) It would rotate 12 times every 20 minutes
B) It would 16 times every 45 seconds
C) It would rotate 24 times in one hour
C) 24 times in one hour (X6 multiplier)
Are these ratios proportional? 52/60 and 182/210
Yes (the multiplier is 3.5 OR they equal each other when you cross multiply)
Crue got a 40% discount on his new shoes. If the starting price of his shoes was $90, how much will he SAVE on his shoes?
He will save $36.
What is the percent of error in this experiment? Miss Whaley's robot travelled 7 meters but it needed to go exactly 10 for the contest.
30% (10-7 = 3, the 3 divided by 10 = .3)
Nate borrowed $42,000 to buy a Jeep. His term was 5 years and his APR was 5.5%. How much total money will he borrow before they apply taxes and other fees?
$53,550
Which has a higher unit rate?
A) 3 pounds for $10.65
B) 4 pounds for $14.20
Neither, each of their unit rates (per one unit) is $3.55
Find the missing value: 7/8 = x / 96
x = 84
Charlie used a 15% off coupon for his Diamond Art kit. If the kit originally cost $25, how much will it cost AFTER his discount?
$21.25 (25 - 3.75 discount)
Ekins planned for 30 people for the volleyball party. 26 people actually attended. What is the percent of difference?
15%
Wyatt deposited $500 at rate of 9% over 20 years. How much money will he make on his initial deposit?
He will make $900 off of his $500.
Which the better deal?
A) 25 ozs for $37.50
B) 30 ozs for $42.00
B...the rate is only $1.40 versus $1.50 for letter A
A punch recipe calls for 6 cups of Sprite to 24 cups of fruit punch. Which equation could be used to find the % of Sprite?
A) 6/100 = x/24
B) 6/30 = x/100
B...part cups to total cups over part % to total %
75% of our middle schoolers enjoyed a frozen treats from the bowling fundraiser. If there are 132 students in our middle school, how many enjoyed a frozen treat?
99 students
A shipping box should weigh 1 pound. If there is a 10% error in weight, what is the range of accepted weight?
.9 up to 1.1 (.1 less than 1 and .1 more than 1)
What is the DIFFERENCE in interest amount between these 2 people:
Person A: Borrowed $30,000 for 5 years at a rate of 6%
Person B; Borrowed $30,000 for 5 years at a rate of 8%
$3,000 (Person A would only pay 9,000 in interest whereas person B will pay 12,000)