Answer:
Total Mark = 5c - a
Step-by-step explanation:
Total Mark = 4c - (a - c) = 5c - a
Marks for correct questions = 4c
Marks deducted for incorrect questions = a - c
To write 8.57 as a fraction you have to write 8.57 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
8.57 = 8.57/1 = 85.7/10 = 857/100
And finally we have:
8.57 as a fraction equals 857/100
3x4=12 12x5=60 60x6=360 360x7=2,530 2,530x9=22,690
