Homework Help: math

Posted by annonymous on Tuesday, December 4, 2012 at 8:03pm.

On three tests you earned grades of 88%,94% and 90%. Each test was worth 150 points. The final exam is worth 250 pts. How many pts do you need on the final exam to earn 93% of the total points on tests? What percent do you need on the final?

math - PsyDAG, Wednesday, December 5, 2012 at 3:17pm
(.88*150) + (.94*150) + (.90*150) + x = (.93*700)

Solve for x.

Answer this Question

Related Questions

math - on 3 tests you earned grades of 88%,94%,and 90%. Each test worth 150 ...
math - on 3 tests you earned grades of 88%,94%,and 90%. Each test was worth ...
Statistics - In your biology class, your final grade is based on several things...
mathematics (percentages) - math problem: pedro wants to calculate his gpa. he ...
math - In your biology class, your final grade is based on several things: a lab...
mathematics (percentages) - math problem: pedro wants to calculate his gpa. he ...
math - please check my answer. each test is worth 100 points. the following test...
Math - A student earned scores of 85, 83, 90, 94, 88 and 84 on the first six ...
Algebra 1 - What is the solution of this question. You are taking a science ...
Algebra - You are taking a math course in which there will be four tests each ...

For Further Reading

First Name:
School Subject:
Answer: