Question

Anu needs a minimum of 450 marks in five
tests in statistics course to obtain B grade. In
her first four tests, she scored 90, 94,96 and 88
marks. What should her score be in the 5th test,
so that she can make B grade.​

Answer 1

Answer:

Friend your answer should be 82.

Step-by-step explanation:

∵ Total marks needed= 450

Marks scored in four test= 90, 94, 96, 88

Let fifth test marks be х

Acc. to question-

90 + 94 + 96 + 88 + x = 450

368 + x = 450

x = 450 - 368

∴ x = 82