Posted by Anonymous on Sunday, January 23, 2011 at 11:41am.
During one school year, Billy Bob earned $25 for each Math test he passed and was ined $50 for each Math test he failed. By the end of the school year, Billy Bob passes 7 times as many Math tests as he failed and he had a total of $375. How many tests did he pass?

math  Henry, Sunday, January 23, 2011 at 4:21pm
Failed X tests.
Passed 7X tests.
25*7X  50*X = 375,
175X  50X = 375,
125X = 375,
X = 3 Tests failed.
7x = 7*3 = 21 Tests passed.

math  AHSAN, Friday, May 13, 2011 at 10:18pm
5X2(3)

math  kiara, Monday, June 6, 2011 at 5:04pm
the answer is 21 tests passed
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