Answer:
The ratio of boys to girls is 4:5. So let 4x be the number of boys and 5x be the number of girls. Then 4x+5x = 9x is the total number of students. Then the fraction of boys in the class is 4x/9x = 4/9.
Answer:
yes you just have to solve for both x and y in the top system and then solve the other systems to find out which one has the same solutions
Step-by-step explanation:
hope this helps!
Answer:
w
Step-by-step explanation:
You have to divide 4.86 by 18 and that gives you.........
Answer:
80 and 4
Step-by-step explanation:
80/4=20
80+4=84