Question

- Sia got 275 marks out of 400 in English, 656 out of 800 in Mathematics and 765 out of 900 in
Science. Find
(a) her percentage score in each subject
(b) her percentage score as a whole in all the three subjects
​

Answer 1

Answer:

a) Math= 82% English=68.75% Science=85%

b)overall percentage= 73.73%

Step-by-step explanation:

Answer 2

Step-by-step explanation:

a) her percentage in each subject

--her percentage score in english=(275/400)*100=68.75%

--her percentage score in mathematics=(656/800)*100=82%

--her percentage score in science=(765/900)*100=85%

b) her percentage score as a whole =(275+656+765)/(400+800+900) *100

=(1696/2100)*100=80.76%