the total cost of 8 pens and 9 books is $30.05. if the cost of a pen is $a, and a book is .90 MORE expensive. find A. Give your
2 answers:
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Answer:
- Number of times that Noah volunteered at pet shelter.
- Number of times that Keith volunteered at pet shelter.
Step-by-step explanation:
After reading the statement of the problem, the following variables are described below:
- Number of times that Jason volunteered at pet shelter.
- Number of times that Noah volunteered at pet shelter.
- Number of times that Keith volunteered at pet shelter.
The following two relations are presented herein:
Noah and Jason
Jason and Keith
The relationship between the number of times Noah and Keith volunteered is: