What is the relationship between the ratios? 4872 and 69 drag and drop to complete the statement.

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

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

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?