Answer:
15 games
Step-by-step explanation:
they won 80% of the 15 games This is 12 games
In all there are 30 games
The 90% of 30 games is 27 games
But they already won 12 games before
So 27-12 = 15
They need to win 15 more games
Step-by-step explanation:
I just did your welcome have fun
Rounded to the nearest hundredth =4.47
Step 2, because she added 4 only on one side.