Its a because you will add 1.25 and 0.75 because it says each and of course 18 would be what it equals
195 Campers
8:7 = Boys: Girls
8/15 : 7/15
8/15*195 = 104
7/15*195= 91
Therefore, there are 104 boys and 91 girls.
Answer:
12
Step-by-step explanation:
You have to substitute a by 17 and then just subtract.