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Notes
Questions
\(\textbf{1)}\) The average of seven numbers is 12. What is the sum of the numbers?
\(\textbf{2)}\) Joe has had 9 quizzes so far in his class. His average score is 80%. He scored a 100% on his tenth quiz. What is his average now?
\(\textbf{3)}\) The average of three integers a, b, and c is 20. If a\(\lt\)b\(\lt\)c, what is the largest possible value for c?
\(\textbf{4)}\) The average of six numbers is 100, and the average of four of these numbers is 80. What is the average of the other two numbers?
\(\textbf{5)}\) The sum of 5 numbers is 45. What is the average of the numbers?
\(\textbf{6)}\) The average of x,y,z, and w is 14. The average of x and z is 10, what is the average of y and w?
\(\textbf{7)}\) On your first three tests you scored 89, 91 and 95. What do you have to score on the fourth and final test to average a 90% in the class?
See Related Pages\(\)
\(\bullet\text{ Word Problems- Linear Equations}\)
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\(\bullet\text{ Word Problems- Averages}\)
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\(\bullet\text{ Word Problems- Consecutive Integers}\)
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\(\bullet\text{ Word Problems- Distance, Rate and Time}\)
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\(\bullet\text{ Word Problems- Break Even}\)
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\(\bullet\text{ Word Problems- Ratios}\)
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\(\bullet\text{ Word Problems- Age}\)
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\(\bullet\text{ Word Problems- Mixtures and Concentration}\)
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