Wednesday

August 20, 2014

August 20, 2014

Posted by **Jazmin** on Thursday, April 11, 2013 at 9:51pm.

Can someone explain step by step. Please

- Math -
**Knights**, Thursday, April 11, 2013 at 9:56pmFor average grade of 90, must all add up to the average times the amount of tests.

So, 90*5 = 450

x+ 93+ 82+91+88 = 450

x+(82+88) + (91+93) = 450

x + (170 + 184) = 450

x+ 354 = 450

x+4 + (350) = 450

x+4 = 100

x = 96

- Math -
**Jazmin**, Thursday, April 11, 2013 at 10:14pmThank you so much this is better than the way my teacher explained. :)

**Related Questions**

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

math,correction - can someone correct this for me please. Statistics. Sam must ...

math correction - can someone correct this for me.or teach me if i'm wrong ...

Writing inequalities - you must have an average score of at least 80 to get a B...

math - Ted must have an average of 70 or more in his summer course to obtain a ...

8th grade - Tom had scores of 78, 88, 94 and 79 on his first four science tests...

Computer Programing & Logic Design - Submit pseudocode and a flowchart for the ...

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

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

algebra 1 - You are taking a Spanish course in which there will be four test. ...