Is this table proportional? If so, write an equation to represent it.
y=4x
In an hour, a jogger burns about
4 calories per pound of body weight. How many calories will a jogger who weighs 151 pounds burn in an hour?
Solve for x.
4/5 = x/50
x = 40
Which way do we set up the unit rate to find out the cost per measurement?
a.
(measurement)/$
b.
$/(measurement)
b.
$/(measurement)
What is the value for
pi ?
3.14
Is this table proportional? If so, write an equation to represent it.
Non-Proportional.
On his last math test, Benjamin completed 12 1/2 problems in 50 minutes.
Write the unit rates for this situations as minutes/problem and problems/minute.
(4 min.)/(1 prob.) & (1/4 prob.)/(1 min.)
Solve the proportion.
(20 Inches)/(50 feet) = (30 Inches)/?
75 feet.
Find the unit rate.
$3.36 for 16 1/2 ounces.
$0.20 per ounce
What is the formula to find the area of a circle?
a = pir^2
The table is proportional. Find the constant of proportionality and the missing values.
k = 4
9: 36
10: 40
On his last math test, Benjamin completed 12 1/2 problems in 50 minutes.
If he worked at a constant rate, how long did it take Benjamin to complete 8 problems.
32 minutes
Solve the proportion.
(64 oz.) / (4 1/4 glasses) = (8 oz.)/?
17/32 glasses
Find the unit rate. $13.69 for 14 1/4 ounces.
$0.96 per ounce
What are BOTH formulas to find the circumference of a circle?
c= 2pir
c=pid
The table is proportional. Find the constant of proportionality and the missing values.
k = 18
2 : 36
2.5 : 45On his last math test, Benjamin completed 12 1/2 problems in 50 minutes.
If he worked at a constant rate, how many math problems did Benjamin complete in 36 minutes?
9 problems.
Solve the proportion.
($75.25) /(8 3/4 hours) = ($15.05) /?
1 3/4 hours
Which is the better deal for applesauce?
a.) $5.05 for 15 1/4 ounces
b.) $6.76 for 22 3/4 ounces.
b.) $6.76 for 22 3/4 ounces.
Calculate the area of a circle if the diameter is 18 meters. Round your answer to the nearest hundredth. (use 3.14 for pi)
a = 254.34 m^2
Patrick eats 15 crabby patties every 3 hours.
Find the constant of proportionality and complete the table.
k = 5
0:0 1:5 2:10 3:15 4:20
5.0325 pounds on the Moon
1.77 ounces
Which is the better deal for cereal?
a.) $4.10 for 9 1/2 ounces
b.) $2.05 for 4 3/4 ounces
They are the same deal!
Calculate the diameter of a circle if the circumference is 112.8 cm. Round your answer to the nearest hundredth. (use 3.14 for pi)
d = 35.92 cm