80 girls and boys have planned for a movie. they are in a ratio of 6 girls to 2 boys. how many girls are there?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)