Asked by person
kai spent 13.60 dollars on 20 stamps. There are only 50-cent-stamps and 30-cent-stamps. How many of each
Answers
Answered by
Anonymous
x + y = 20 so y = 20 - x
50 x + 30 y = 1360
50 x + 30 (20-x) = 1360
50 x + 600 - 30 x = 1360
20 x = 760
x = 76/2
etc
50 x + 30 y = 1360
50 x + 30 (20-x) = 1360
50 x + 600 - 30 x = 1360
20 x = 760
x = 76/2
etc
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.