Finding a Percent
.34 is what as a percent ?
34%
776 ÷ 4
194
216 ÷ 18
12
In the United States House of representatives, the number of Representatives from a state is calculated based on its population.
population is independent
House of Rep is dependent
A scientist has 1,050 samples to observe. She has 14 assistants for the job. If she splits the samples evenly among the assistants, how many samples will each assistant observe?
75
120 is 40% of what number ?
300
The Eagles scored 7 more points than the Giants. If the Giants scored 27 points, write an equation that could be used to solve for the number of points, p, that the Eagles scored.
27=p-7
Slide 20
Slide 21
The more tickets I sell, the more money I have. Tell me the independent and dependent variables.
Indep-tickets sold
Dependent-Money earned
The managers at an electronics store want to sell all 1,536 computers in the store's warehouse in 12 days. How many computers does the staff need to sell each day to meet their goal?
128
A radio poll asked people if they liked playing baseball. Of the 120 people polled, 84 liked playing baseball. What percentage of the people liked to play baseball?
70%
Find the unit rate for the table (slide 19)
3
.Mason has joined the Century Club at school and sets a goal to walk 100 miles. He plans to walk 3.5 miles each day. Write an equation to represent this scenario.
100=3.5d
The more time that I spend reading, the more pages I have read. Which variable is independent? a. number of pages read
b. time spent reading
c. number of pages I have to read
B
Adrien earns $9.25 per hour working at a shoe store. If Adrien earned $74 last week, which equation would be used to determine h, the number of hours she worked last week?
a. 9.25 = 74 - h
b. 74 = 9.25 + h
c. 9.25 = 74 + h
d. 74 = 9.25h
D
A salesperson in a large department store receives 4% commission on his total sales. If he sells a total of $355, how much will he be paid in commission?
$14.20
It takes Griffin 4 hours to read 280 pages. Today he is going to read for 6 hours. How many pages will her read? Fill out the table below to figure out how many pages he will read. (slide 14)
Slide 15
A movie theater charges $8 for all large containers of popcorn. Jeffrey graphs the function that gives the total cost, y, in dollars to buy x containers of popcorn. Which ordered pair is a point on the graph of the function?
a. (2, 10)
b. (16, 2)
C. (4, 32)
d. (8,1)
C
At the salad bar, the grocery store charges $5.99 for each half pound you buy. Which variable is dependent?
a. weight of the salad
b. total cost of the salad
c. cost of the salad per half pound
B
A boat travels at the rate of 25 miles, m, per hour, h. Which equation represents this scenario?
a. m = 25h
b. m = 12 + h
c. m = 12 – h d.
m = h ÷ 12
A
256 is 50% of what number ?
512
Write a equation for the following table. (slide 19)
m=6c
Jenny poured a cup of tea and set it on the table to cool. She recorded the temperature and the table shows her data.
Part A: Create a graph to represent the data.
Part B: Does your graph represent a ratio? How do you know?
(slide 16)
Slide 17
On your bike, you can travel 6 miles per hour. Which variable is independent?
a. distance traveled
b. speed of the bike
c. number of hours you ride
C
Mason makes $20 for each lawn he mows. Which equation represents the money he makes, d, in dollars that Mason makes after he mows n lawns?
a. d = 20n
b. n = 20d
c. d = 20 ÷ n
d. n = 20 + d
A