Difference between revisions of "1989 AJHSME Problems/Problem 7"
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− | The <math>n</math> dimes' values need to sum to <math>10</math> quarters and <math>10</math> dimes.<cmath>10n=10\cdot25 + 10\cdot 10 | + | The <math>n</math> dimes' values need to sum to <math>10</math> quarters and <math>10</math> dimes.<cmath>10n=10\cdot25 + 10\cdot 10</cmath> |
− | n=25+10=35</cmath> | + | <cmath>n=25+10=35</cmath> |
+ | So, our answer is <math>\boxed{\text{D}}</math> | ||
==See Also== | ==See Also== |
Revision as of 17:12, 29 April 2021
Problem
If the value of quarters and
dimes equals the value of
quarters and
dimes, then
Solution
We have
The dimes' values need to sum to
quarters and
dimes.
So, our answer is
See Also
1989 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 6 |
Followed by Problem 8 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
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