Answer:
7.14
Step-by-step explanation:
Just use a calculator and type in the 
So 80% of 15 games won equal 12 games won and 3 lost. This is because 15/10 = 1.5 and 1.5 x 8 =12.
For 30, you do the exact same thing but with 90% instead. 30/10 = 3. 3 x 9 = 27.
So they need to have won 27 games to get a 90% winning percentage out of 30 games.
But since the question asks how many MORE games they need to play, it'll be 27-12 = 15.
So they need to win 15 more games to get a 90% winning percentage
Answer:
PQ is perpendicular to RS
that is to mean:
PQ⊥RS
Step-by-step explanation:
Answer:
80x2=160 20x3=60 160+60=220
Step-by-step explanation:
- The thing that is different about each of the 20 amino acids is the make-up of the R group.