There are 80 children. 45 of them are girls. The amount of boys is equal to:

That means there are 45 girls and 35 boys.
The ratio of boys to girls is: 
Simplify:

Your answer is 7:9
First One is the bottom one on the first column.
Second one is the top one on the first column.
xxx
y<2x+2
2 is your y intercept and your slope is 2 (positive)
no or equal to so we have a positive slanted dotted line
your answer is the last one
Step-by-step explanation:

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