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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