The ratio fo boys to girls is 12:16
Answer: 
<u>Step-by-step explanation:</u>
There is 1 four out of 6 possible numbers = 
Answer:
23
Step-by-step explanation:
3a+5
3(6)+5
18+5
23
bearing in mind that a solution to a system of equations is where their graph intersect or meets, Check the picture below.