Answer:
Step-by-step explanation:
17 units
Answer:
the third one down
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
im a bit rusty but if you are diving the indices its basically minusing
7-3 = 4
tell me if that doesnt work i have one other way
72 boys.
Step-by-step explanation:
no. of boys (initial) : no. of girls : no. of boys (final)
3 : 2
3 : 2
______________________________________
9 : 6 : 4
9u - 4u = 5u = 30
5u = 30
1u = 30/5 = 8
9u (initial no. of boys) = 8×9
= 72