Concept explainers
a.
To complete: The given table.
a.
Answer to Problem 20PPS
The required amount of $7.33 candy is 6.38 pounds.
Explanation of Solution
Given information:
Speed of the northbound bus = 50 miles per hour
Speed of the southbound bus = 65 miles per hour
The table:
r | t | ||
Northbound bus | |||
Southbound bus |
Calculation:
For Northbound bus;
For Southbound bus;
The required table is shown below:
r | t | ||
Northbound bus | 50 | t | |
Southbound bus | 65 | t |
b.
To write: The equation to find the time when the buses will 345 miles apart.
b.
Answer to Problem 20PPS
The required equation is
Explanation of Solution
Given information:
Speed of the northbound bus = 50 miles per hour
Speed of the southbound bus = 65 miles per hour
Calculation:
For Northbound bus;
For Southbound bus;
The required table is shown below:
r | t | ||
Northbound bus | 50 | t | |
Southbound bus | 65 | t |
The sum of the distances between the two bus 345 miles.
Write the equation as,
Hence, the required equation is
c.
To write: The equation to find the time when the buses will 345 miles apart. Also, solve the equation.
c.
Answer to Problem 20PPS
The required time is 3 hours.
Explanation of Solution
Given information:
Speed of the northbound bus = 50 miles per hour
Speed of the southbound bus = 65 miles per hour
Calculation:
For Northbound bus;
For Southbound bus;
The required table is shown below:
r | t | ||
Northbound bus | 50 | t | |
Southbound bus | 65 | t |
The sum of the distances between the two bus 345 miles.
Write the equation as,
Hence, the required time is 3 hours.
Chapter 2 Solutions
Algebra 1
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