15 is what percent of 25?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.