Input/Output
Write an equation
Miscellaneous
100
A store charges $1.70 for a fountain soft drink. The total cost c of d soft drinks is equal to 1.7 times d. The table below represents this situation. What is the missing value in the output column?
5.1
100
A cable company charges a monthly fee for basic cable and standard Internet as shown in the table, where c is the total cost and m is the number of months. Write an equation to represent the relationship between c and m.
48.99m=c
OR
c=48.99m
100
A special breed of snake sheds its skin 4 times per year. How many times would the snake shed its skin in 12 years? Identify the independent variable.
a. the number of times the snake sheds its skin
b. the number of years
b. the number of years
200
Complete the table to find the input, d. Use the rule, 1.35 + d when given the output, c.
4, 6, 7
200
The table shows the total cost c of buying b shell bracelets at a souvenir shop. Write an equation to represent the relationship between c and b.
6b=c
or c=6b
200
A student answers 2 questions each minute while taking a test. Identify the independent and dependent variable.
The independent variable is the number of minutes. The dependent variable is the number of questions answered.
300
Mr. Hamilton has 144 pencils to give to his students. The number of pencils p each student will receive is equal to 144 divided by s, the number of students. The table below represents this situation. Which of the following numbers should be entered into the input column (top to bottom) in order to complete the table?
12, 16, 24
300
This graph shows the number of subscriptions Heath sold (s) and his total earnings (t). Write an equation that shows this relationship.
10s=t
or t=10s
300
The equation m=20g represents the number of miles (m) an SUV can travel on g gallons of gasoline. How far can a person drive with 6 gallons of gas? Use the values to write an ordered pair.
120 miles
(6, 120)
400
Bryan went to a batting cage. He was charged $0.35 per ball pitched. The total cost c of b balls pitched is equal to $0.35 times b. Complete the table to find the number of balls pitched for the total costs given.
15, 30, 45
400
The graph shows the amount of money m, in dollars, Stacey earned for h hours of work. Write an equation that could be used to find the amount of money Stacey earns for any number of hours.
12h=m
or
m=12h
400
The equation b=8p represents the number of biscuits b in p packages of biscuits. Explain how to graph this on a coordinate plane.
For every one package you go over, you go up eight biscuits.
500
Sandra makes cupcakes for a school bake sale. She can make a dozen cupcakes in 15 minutes. She has one and one-half hours to make as many cupcakes as she can for the bake sale.
How many cupcakes can she make in the time allotted?
6 dozen
500
The table shows the total number of laps Sue and Kee walked over the past four days. If the pattern continues, how many more laps will Sue have walked than Kee after 7 days?
14