Divide the miles by the gallons used for each car to find the miles per gallon, then compare them:
Blue car: 18 2/5 miles / 0.8 gallons = 23 miles per gallon.
Red car: 17 2/5 miles / 0.7 gallons = 24.86 miles per gallon.
The red car can travel farther on 1 gallon of gas.
The red car is the one that can travel farther.
We need to calculate the miles per gallon (MPG) for each car.
Blue Car:
Miles traveled: 18 2/5 miles = 18.4 miles
Gallons of gas used: 0.8 gallons
MPG = Miles / Gallons = 18.4 / 0.8 = 23 miles per gallon
Red Car:
Miles traveled: 17 2/5 miles = 17.4 miles
Gallons of gas used: 0.7 gallons
MPG = Miles / Gallons = 17.4 / 0.7 = 24.857 miles per gallon
Comparing the MPG values, the red car can travel farther on 1 gallon of gas.
Therefore, the red car is the one that can travel farther.
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Answer: 35%
Step-by-step explanation: To find the percent decrease, we use the following formula.
The amount of change is the difference between the two numbers which in this case is 60 - 39 and the first number is 60.
60 - 39 is 21 so we are left with 21/60.
60 divided into 21 .35 times. However, our problem is asking for the percent which means we can move the decimal point two places to the right to get 35.
Therefore, the percent decrease is 35%.
Answer:
The correct graph is attached below.
Step-by-step explanation:
Given:
Initial temperature is 0°.
Decrease in temperature per hour is 12°.
Since, the initial temperature is 0°, the line must pass through the origin as temperature is plotted along the y-axis.
Also, decrease in temperature per hour is 12°. So, this represents the slope of the line. So, the slope should be -12 as there is decrease in temperature with increasing time.
So, the correct graph will be a line passing through origin and the slope of the line must be -12. Also, the temperatures will be along the negative y-axis as the values are decreasing with time.
Hence, the third graph is the correct one and is shown below.