I will give brainiest to the first one aurora scored 572 marks out of 650 belle scored 450 out of 500 for the annual examination.

a. who performed better and by how much.

b .what percentage she scored

Step-by-step explanation:

a. Belle as she only missed 50 questions where as Aurora missed 78. (500-450) and (650-572)

b. Belle scored 90% (450/500=0.9)

a. Belle scored better, by scoring 2% more than Aurora.

b. She scored 90%

Step-by-step explanation:

Make your denominator out of a 100

So you will divide by 6,5

572÷6,5/650÷65

= 88/100

=88%

And divide the other by 5

450÷5/500÷5

=90/100

=90%

step-by-step explanation:

where is the questions

explanation:

step-by-step explanation: