SOLUTION: 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%

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 Question 358543: 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?Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website!``` Hi, Lt x represent the % score on the last test. student needs at least 80% of all points on the tests in a class to get a B 235 + x = 320 x = 320-235 = 85 x = 85% Student needs an 85% on the last test 250 Question Test .85*250 = 212.5 Students needs a 'score' of at least 213 on last test ```