five hundred fifty children attended the concert. if the ratio of boys to girls at the concert was 4 to 7. how many girls attended the concert ?

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

(60 points) explain this in detail