What total over the four tests does a student…

What total over the four tests does a student need to pass the course?

Question 24

EasyOriginal question

To pass a course a student needs an average of at least 60 over four tests, and at least 40 in each test. Riya has scored 62, 48 and 55 in the first three tests; each test is out of 100.

What total over the four tests does a student need to pass the course?

At least 240Correct answerYour answerMore than 240Correct answerYour answerAt least 160Correct answerYour answerAt least 60Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

An average of at least 60 over four tests means a total of at least $4 \times 60$ .
At least 240.

Worth noting

"At least" includes 240 itself, so the sign is $\ge$ , not $>$ .

Concept: From an average to a total
Typical timeTypical: 90 s
Your timeYours: —

The rule this testsComparing numbers

Practise this chapter →

Ten questions from Numerical Inequalities, at your own pace.

Practise this chapter →

Ten questions from Numerical Inequalities, at your own pace.

What total over the four tests does a student need to pass the course?

Question 24

Explanation