Dimitri is solving the equation x2 – 10x = 21. Which value must be added to both sides of the equation to make the left side a p
2 answers:
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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