At a country concert, the ratio of the number of boys to the number of girls is 2: 7. if there are 250 more girls than boys, how many boys are at the concert?

Aphrase is shown read the phrase and give me the answer

Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price