Difference between revisions of "2007 AMC 8 Problems/Problem 5"
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== Solution == | == Solution == | ||
− | + | Let <math>x</math> be the number of weeks. | |
− | + | Thus, we have the equation <math>50 + 35 + 15 + 16x = 500</math>. | |
− | + | Simplify, | |
− | + | <math>100 + 16x = 500</math> | |
− | + | <math>16x = 400</math> | |
+ | <math>x = 25</math> | ||
+ | |||
+ | The answer is <math> \boxed{\textbf{(B)}\ 25} </math> | ||
+ | ==Video Solution by SpreadTheMathLove== | ||
+ | https://www.youtube.com/watch?v=omFpSGMWhFc | ||
==See Also== | ==See Also== | ||
{{AMC8 box|year=2007|num-b=4|num-a=6}} | {{AMC8 box|year=2007|num-b=4|num-a=6}} | ||
{{MAA Notice}} | {{MAA Notice}} |
Latest revision as of 15:55, 2 July 2024
Problem
Chandler wants to buy a dollar mountain bike. For his birthday, his grandparents
send him
dollars, his aunt sends him
dollars and his cousin gives him
dollars. He earns
dollars per week for his paper route. He will use all of his birthday money and all
of the money he earns from his paper route. In how many weeks will he be able
to buy the mountain bike?
Solution
Let be the number of weeks.
Thus, we have the equation .
Simplify,
The answer is
Video Solution by SpreadTheMathLove
https://www.youtube.com/watch?v=omFpSGMWhFc
See Also
2007 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 4 |
Followed by Problem 6 | |
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.