Answer:
thanks for the pointssssssss
Answer:
80% (you divide 4 by 5 to get 0.8, then you move the decimal 2 spaces to the right
Im assuming that the difference is 78:-
2a + c = 180 ( Note 2a = a +b because we are given that a = b))
c - a = 78 Subtract:-
3a = 102
a = 34
So a=34, b=34 and c = 112 Answer.
Answer:
20
Step-by-step explanation:
Riyas score = ( correct answer × mark) + ( incorrect answer × mark lost )
= ( 3× 10) + ( -1 ×10 )
= 30 -10
=20
