Answer:
total question =90
she obtained 75% of first 40 questions
- No. of question she got correct in first 40 = 75% * 40 = 30
2. in order to get 80% out of 90,
the no. of questions got correct by Ama = 80% * 90 = 72
3. As she already got 30 c0rrect in first 40 questions, the number of question she needs correct for remaining 50 = (72-30) = 42
percentage = 42/50*100% = 84%
Answer:
(4 x 3) x 2=
=12 x 2
=24
Step-by-step explanation:
Answer:
7.20
Step-by-step explanation:
triangle is right triangle so other leg of first is 12
5 x 3/5 = 5, so
do 12 x 3/5 to get 7.20