Question

The average marks on a test taken by a group of 9 students was 59. Jack was absent . What will he need to score to make the average group 60

Answer 1

@butterflydreamer

Answer 2

@CGGURUMANJUNATH

Answer 3

okay firstly, we know that the average for 9 students was 59.
Work out their total marks by multiplying 9 and 59 = ?

Answer 4

sooo 9 *59 = ? :)

Answer 5

531

Answer 6

yes!
Okay now, we know that Jack was absent.. So if Jack is PRESENT this will mean there will be 10 people in total right?
We want the average of these 10 students to equal to 60.
So, work out their total scores.... 10 * 60 = ?

Answer 7

600

Answer 8

Yeep, so Jack will need to score 600 - 531 = ?

Answer 9

69

Answer 10

correct! :D

Answer 11

thankss

Answer 12

you're welcomeeee