Asked by Anonymous
Two similar e-books and three similar apps cost $30. One such e-book and two such apps cost $17. What is the cost of one e-book?
Answers
Answered by
oobleck
2b+3a = 30
b+2a = 17
eliminate a via
4b+6a = 60
3b+6a = 51
b = 9
also, a=4
b+2a = 17
eliminate a via
4b+6a = 60
3b+6a = 51
b = 9
also, a=4
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.