Question

Sunaina's marks in monthly test in maths were 89 in July, 60 in August and 91 in September. What was her average score in maths for these three months ?

Answer 1

Answer:

average = 89+60+91 / 3

240 / 3

Therefore average = 80

Step-by-step explanation:

Hope it helps

Answer 2

Answer:

80

Step-by-step explanation:

Marks of Sunaina in July=89

Marks of Sunaina in August=60

Marks of Sunaina in September =91

Sum of marks of all three months = 89+60+90=240

Total no. of months =3

Average= sum of marks of all three months /total no. of months

240/3=80

hope it helps!!