45 girls and 60 boys will go on several field trips. What is the maximum number of groups we can form where each group has the same number of girls and the same number of boys? How many girls and boys will each group have?

Aliaa is skating down a ramp. the wheels on her skateboard have diameters of 60 \text{ mm}60 mm60, space, m, m. what is the distance aliaa travels when her skateboard wheels make 202020 revolutions? round your answer to the nearest \text{mm}mmm, m.