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

## Answer this Question

## Related Questions

- math - write the hidden question or questions in the problem Billy Bob wins $500...
- MATH - suzy is ten years older than Billy and next year she will be twice as old...
- Human Growth - Which one of the following instances is an example of qualitative...
- phycology - Which one of the following instances is an example of qualitative ...
- math - $25 for each passed test and fined $50 for each failed test passed 7 ...
- ALGEBRA - SUZY IS 10 YEARS OLDER THAN BILLY, AND NEXT YEAR SHE WILL BE TWICE AS ...
- statisitics - ƒæ Bob takes an online IQ test and finds that his IQ according to ...
- Q. Research - 3. Bob takes an online IQ test and finds that his IQ according to ...
- Discrete Math - 13 Define F as failed in the diagnostic test that P(F)=0.08 and ...
- Statistics - Bob takes an online IQ test adn finds that his IQ according to the ...

More Related Questions