Answer:
a). 9 to 5
b). 5 to 14
Step-by-step explanation:
If there are 9 boys then there are 5 girls because 14 - 9 = 5.
So, there are 5 girls of 14 students in the class.
240
-8(10×-3)
(10×3)=30
30×-8=240
8.3
23 matches
If the 5th grade team wins 2/5 matches, thats equal to 8/20, and 4th graders win 15/20, so together they win 23 matches out of 40