In the school gym, the ratio of the number of boys to the number of girls was 4: 3. after 160 boys left the gym, the ratio became 4: 5. how many girls were there in the gym?

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

The area of square garden is 300m squared. how long is the diagonal?