In the 6th grade classes, there are 4 girls for every 3 boys. if there are 24 girls, how many boys are there?

What is the rotational symmetry of a wheel

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

A50% increase followed by 33 1/2% decrease