Asked by Gigi
john has a total of 18 stamps which consists of 25 cents and 2 cent stamps they have a value of $2.20 how many of each do you have?
Answers
Answered by
PsyDAG
x = 18 - y
.25x + .02y = 2.20
Substitute 18-y for x in the second equation and solve for y. Insert that value into the first equation to solve for x. Check by putting both values into the second equation.
.25x + .02y = 2.20
Substitute 18-y for x in the second equation and solve for y. Insert that value into the first equation to solve for x. Check by putting both values into the second equation.
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.