Difference between revisions of "2008 AMC 8 Problems/Problem 8"
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| − | ==Problem== | + | == Problem == |
Candy sales from the Boosters Club from January through April are shown. What were the average sales per month in dollars? | Candy sales from the Boosters Club from January through April are shown. What were the average sales per month in dollars? | ||
| + | |||
<asy> | <asy> | ||
draw((0,0)--(36,0)--(36,24)--(0,24)--cycle); | draw((0,0)--(36,0)--(36,24)--(0,24)--cycle); | ||
| Line 12: | Line 13: | ||
fill((20,0)--(24,0)--(24,8)--(20,8)--cycle, black); | fill((20,0)--(24,0)--(24,8)--(20,8)--cycle, black); | ||
fill((28,0)--(32,0)--(32,24)--(28,24)--cycle, black); | fill((28,0)--(32,0)--(32,24)--(28,24)--cycle, black); | ||
| − | label(" | + | label("120", (0,24), W); |
| − | label(" | + | label("80", (0,16), W); |
| − | label(" | + | label("40", (0,8), W); |
label("Jan", (6,0), S); | label("Jan", (6,0), S); | ||
label("Feb", (14,0), S); | label("Feb", (14,0), S); | ||
| Line 20: | Line 21: | ||
label("Apr", (30,0), S); | label("Apr", (30,0), S); | ||
</asy> | </asy> | ||
| + | |||
<math> \textbf{(A)}\ 60\qquad\textbf{(B)}\ 70\qquad\textbf{(C)}\ 75\qquad\textbf{(D)}\ 80\qquad\textbf{(E)}\ 85 </math> | <math> \textbf{(A)}\ 60\qquad\textbf{(B)}\ 70\qquad\textbf{(C)}\ 75\qquad\textbf{(D)}\ 80\qquad\textbf{(E)}\ 85 </math> | ||
| − | ==Solution== | + | == Solution == |
There are a total of <math>100+60+40+120=320</math> dollars of sales spread through <math>4</math> months, for an average of <math>320/4 = \boxed{\textbf{(D)}\ 80}</math>. | There are a total of <math>100+60+40+120=320</math> dollars of sales spread through <math>4</math> months, for an average of <math>320/4 = \boxed{\textbf{(D)}\ 80}</math>. | ||
| − | ==See Also== | + | == See Also == |
{{AMC8 box|year=2008|num-b=7|num-a=9}} | {{AMC8 box|year=2008|num-b=7|num-a=9}} | ||
{{MAA Notice}} | {{MAA Notice}} | ||
Latest revision as of 13:29, 19 October 2020
Problem
Candy sales from the Boosters Club from January through April are shown. What were the average sales per month in dollars?
![[asy] draw((0,0)--(36,0)--(36,24)--(0,24)--cycle); draw((0,4)--(36,4)); draw((0,8)--(36,8)); draw((0,12)--(36,12)); draw((0,16)--(36,16)); draw((0,20)--(36,20)); fill((4,0)--(8,0)--(8,20)--(4,20)--cycle, black); fill((12,0)--(16,0)--(16,12)--(12,12)--cycle, black); fill((20,0)--(24,0)--(24,8)--(20,8)--cycle, black); fill((28,0)--(32,0)--(32,24)--(28,24)--cycle, black); label("120", (0,24), W); label("80", (0,16), W); label("40", (0,8), W); label("Jan", (6,0), S); label("Feb", (14,0), S); label("Mar", (22,0), S); label("Apr", (30,0), S); [/asy]](http://latex.artofproblemsolving.com/6/9/3/693a90f3c57b91c26f33fb38b20a510e9dac49ca.png)
Solution
There are a total of 
dollars of sales spread through 
months, for an average of 
.
See Also
| 2008 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 7 |
Followed by Problem 9 | |
| 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. 
