Difference between revisions of "2019 AMC 8 Problems/Problem 7"
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==Solution 1== | ==Solution 1== | ||
− | Right now, she scored 76, 94, and 87 points, with a total of 257 points. She wants her average to be 81 for her 5 tests so she needs to score 405 points in total. She needs to score a total of (405-257) 148 points in her 2 tests. So the minimum score she can get is when one of her 2 scores is 100. So the least possible score she can get is | + | Right now, she scored 76, 94, and 87 points, with a total of 257 points. She wants her average to be 81 for her 5 tests so she needs to score 405 points in total. She needs to score a total of (405-257) 148 points in her 2 tests. So the minimum score she can get is when one of her 2 scores is 100. So the least possible score she can get is <math>\boxed{\textbf{(A)}\ 48}</math>. |
+ | .~heeeeeeeheeeeee | ||
==See Also== | ==See Also== |
Revision as of 11:48, 20 November 2019
Problem 7
Shauna takes five tests, each wort a maximum of points. Her scores on the first three tests are , , and . In order to average for all five tests, what is the lowest score she could earn on one of the other two tests?
Solution 1
Right now, she scored 76, 94, and 87 points, with a total of 257 points. She wants her average to be 81 for her 5 tests so she needs to score 405 points in total. She needs to score a total of (405-257) 148 points in her 2 tests. So the minimum score she can get is when one of her 2 scores is 100. So the least possible score she can get is . .~heeeeeeeheeeeee
See Also
2019 AMC 8 (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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