Asked by alex
You have $2.75 in dimes and quarters, and you have a total of 17 dimes and quarters. How many of each type of coin do you have?
Answers
Answered by
bobpursley
D+Q=17
or Q=17-D
and 10D+25Q=275
or 10D+25(17-D)=275
solve for D, then solve for Q
or Q=17-D
and 10D+25Q=275
or 10D+25(17-D)=275
solve for D, then solve for Q
Answered by
Anonymous
Distribute 25
10D+425-25D=275
Add like variables
425-15D=275
Subtract 425
-15D=-150
Divide Each Side by -15
D=10
Plug D into equation to solve for Q.
Q=17-10
Q=7
10D+425-25D=275
Add like variables
425-15D=275
Subtract 425
-15D=-150
Divide Each Side by -15
D=10
Plug D into equation to solve for Q.
Q=17-10
Q=7
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.