Solve this problem.
A student needs at least 80% of all points on the tests in a class to get a B. There are three 100-point tests and a 250-point final. The student's test scores are 72%, 85% and 78% for the 100 point tests. What is the least score the student can make on the final and still get a B?

Question

curry · Answer

a 205

curry · Answer

dont forget medal

lalaly · Answer

35 + x = 320

x = 320-235 = 85

x = 85%  

250 Question Test

.85*250 = 212.5

Students needs a score of at least 213 on last test

lalaly · Answer

the first number is 235 *** sory

anonymous · Answer

thanks

anonymous · Answer

if y varies directly as x^2, find k if y = 27 and x = 3