She had 18 to start with because when you multiply 4 by 2 it’s 8, so then you add 8 to 10 which is 18.
Answer:
12 male teachers
Step-by-step explanation:
If the ratio is 3:4, and the number of female teachers is 16, then the number of male teachers must be 12. This can be confirmed by multiplying both 3 and 4 by 4, or 12/16 = 3/4.
Explanation:
If 
then taking the reciprocal gives
The Answer is A
Hope this helps
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