Concept explainers
(a)
To find: the equation for the remaining food.
(a)
Answer to Problem 62PPE
The equation is
Explanation of Solution
Given data:
Sailboat begins a voyage with 145lbof food
Every day 15lb of food eat by the voyage.
Calculation:
Let the number of supply remaining bey and number of days be x
As total foods is 145lb and each day they eat 15lb of food
The equation is
Conclusion:
The equation is
(b)
To graph: the equation.
(b)
Explanation of Solution
Given data:
Sailboat begins a voyage with 145lbof food
Every day 15lb of food eat by the voyage.
Calculation:
The graph of the equation is:
x | 0 | 1 | 2 | 3 | 4 | 5 |
y | 145 | 130 | 115 | 100 | 85 | 70 |
Conclusion:
The graph is having negative slope.
(c)
Days for saving 25lb of food.
(c)
Answer to Problem 62PPE
Voyages should complete tour in 8 days for saving 24lb.
Explanation of Solution
Given data:
Sailboat begins a voyage with 145lbof food
Every day 15lb of food eat by the voyage.
Calculation:
Days for saving 25lb of food till last:
Conclusion:
Voyages should complete tour in 8 days for saving 24lb.
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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