20 girls tried out for the basketball team and 18 boys tried out. What was the ratio of girls to boys who tried out for the team?

10 : 9

Step-by-step explanation:

GIVEN

20 girls tried out

18 boys tried out

The final ratio should be girl to boy

 girl to boy

=20 : 18

=10 : 9 ⇔ divide 2 on both sides (simplify the ratio)

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your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

rounding to the nearest thousandth would be 452,000