Independent and Dependent
Writing Equations
Fractions, Decimals, and Percents
Unit Conversions
Ratios and Proportions
100
What is the independent variable in the following scenario?
The older John gets, the taller he is.
John's age
100
Write an equation to represent the relationship in the table.
Use h for hours and d for dollars.
d = 40h
100
A waiter earned a 21% tip. What decimal is equivalent to 21%?
0.21
100
The length of a marathon race is 26 miles 385 yards. What is the total length of the marathon race in yards?
A) 2,171 yd B) 46,145 yd
C) 137,665 yd D) 5,691 yd
B) 46, 145 yd
100
15/17= 45/x
51
200
What is the dependent variable in the following scenario?
At a deli counter, the price of a customer’s order is based on its weight.
The price (cost) of the customer's order.
200
A firefighter uses equipment that weighs 60 pounds. The firefighter weighs x pounds. Which equations can be used to find t, the total weight of both the firefighter and his equipment in pounds?
A) t = 60x B) t = x + 60
C) t = 60 - x D) t = x - 60
B) t = x + 60
200
Express 3/8 as a decimal.
0.375
200
A scientist used 786 milliliters of a liquid for an experiment. How many liters of the liquid did the scientist use for this experiment?
A) 786,000 L B) 7.86 L
C) 0.786 L D) 0.0786 L
C) 0.786 L
200
The ratio of the number of boys to the number of girls in a choir is 5 to 4. There are 60 girls in the choir.
How many boys are in the choir?
75
300
What is the dependent variable?
Travel Time
300
Write an equation to represent the relationship in the table.
r = q + 10.1
300
Carlos walked to school on 14 of the 20 days in February. Which value is equivalent to the fraction of the school days in February that Carlos walked to school?
A) 70% B) 0.07
C) 0.142 D) 56%
A) 70%
300
How many inches are in 12 yards?
432 inches
300
The table shows the amount of sugar Felisha mixes with each amount of water she puts in her hummingbird feeder.
Based on the information in the table, how many cups of sugar should Felisha mix with 6 cups of water?
F) 1 1/2 c G) 5 3/4 c
H) 4 1/2 c H) 3/8 c
F)
1 1/2 c
400
Mauricio saves the same amount from his paycheck each week. The table shows the total amount of money saved based on the number of weeks.
Which list shows the dependent quantities from the table?
A. 26, 52, 78, 104, 130 C. 1, 2, 3, 4, 5
B. 25, 50, 75, 100, 125 D. None of these
B. 25, 50, 75, 100, 125
400
Write an equation to represent the relationship in the table.
y = x + 6
400
A company spent 32% of its annual budget developing a new machine. What fractions of the company's budget was spent developing the new machine?
A) 1/32 B) 5/16
C) 8/25 D) 4/125
H)
8/25
400
A can contains 24 fluid ounces of fruit juice. How many pints of fruit juice does the can contain?
A) 12 pt B) 3 pt
C) 1 1/2 pt D) 1/3 pt
C)
1/3 pt
400
A certain type of brass contains 55% of copper. How many pounds of copper are contained in 120 pounds of the brass?
66
500
The table shows the relationship between the age of a plant in weeks, w, and the height of the plant in cm, h.
What is the independent variable?
Age of plant in weeks (w)
500
The table shows the relationship between the age of a plant in weeks, w, and the height of the plant in cm, h. Write an equation to represent this relationship.
h = 12w
500
A restaurant offered cooking classes on 24 of the 30 days in November. What decimal is equivalent to the fraction of days in November that classes were offered at the restaurant.
0.8
500
A warehouse floor has a perimeter of 5,139 feet. What is the perimeter of the floor in yards?
1,713 yards
500
Yesterday, 170 guests at a hotel swam in the pool, and 255 guest did not swim in the pool. What percentage of the guests did not swim in the pool?
60%