Difference between revisions of "2013 AMC 8 Problems/Problem 4"
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==Solution== | ==Solution== | ||
| + | Since Judi's 7 friends had to pay <math>2.50 extra each to cover the total amount that Judi should have paid, we can multiply </math>2.50 by 7, which is equal to <math>17.50. We can now tell that </math>17.50 is the amount that each of her friends needed to pay ( such that Judi didn't forget her money). So, we multiply <math>17.50 by 8 and get </math>140 is the total amount of the meal, which is C | ||
==See Also== | ==See Also== | ||
{{AMC8 box|year=2013|num-b=3|num-a=5}} | {{AMC8 box|year=2013|num-b=3|num-a=5}} | ||
{{MAA Notice}} | {{MAA Notice}} | ||
Revision as of 20:46, 3 November 2020
Problem
Eight friends ate at a restaurant and agreed to share the bill equally. Because Judi forgot her money, each of her seven friends paid an extra $2.50 to cover her portion of the total bill. What was the total bill?
Solution
Since Judi's 7 friends had to pay 
2.50 by 7, which is equal to 
17.50 is the amount that each of her friends needed to pay ( such that Judi didn't forget her money). So, we multiply 
140 is the total amount of the meal, which is C
See Also
| 2013 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 3 |
Followed by Problem 5 | |
| 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 | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
