Wednesday

August 27, 2014

August 27, 2014

Posted by **cody** on Friday, June 24, 2011 at 10:29am.

- pre-algebra -
**Ms. Sue**, Friday, June 24, 2011 at 11:02am92 + 99 + 84 + 91 = 366

500 * 0.9 = 450

450 - 366 = ?

- pre-algebra -
**cody**, Friday, June 24, 2011 at 12:10pmMs. Sue, wher did you come up with 500*0.9?

- pre-algebra -
**Ms. Sue**, Friday, June 24, 2011 at 12:13pmThe total possible points for 5 tests is 500. 90% of 500 = 450. Tammy needs a total score of 450 to get a 90% average.

- pre-algebra -
**cody**, Friday, June 24, 2011 at 12:16pmThank you, 450-366=84

- pre-algebra -
**Ms. Sue**, Friday, June 24, 2011 at 12:53pmYou're welcome.

**Related Questions**

Algebra - Solve. Please show the algebraic inequality you used and show all of ...

math - In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first ...

math - Jennifer's scores on her first four science tests were 85, 76, 89 and 92...

algebra - You earned the following scores on five science tests: 75, 82, 90,84, ...

algebra - sasha needs to score at least 360 points on 4 tests to earn an A. on ...

statistics - the admissions policy at a certain university requires that ...

statistics - the admissions policy at a certain university requires that ...

Math - Averages - The test average for Louis' calculus class is found by taking ...

Statistics - Suppose that two different tests A and B are to be given to a ...

math - To get a C in physics, a student must score an average of 70 on four ...