Eva wants to make two pieces of pottery she needs 3/5 pounds of clay for one piece and 7/10 pounds of clay for the other piece she has three bags of clay that weighs 4/5 pounds each how many bags of clay would even need to make both pieces of pottery how many pounds of clay will she have left over

Don't know how to find x given these segment lengths

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?

Suppose 38 lbs of coffee beans are required to produce 2 lbs of farmer's coffee. how many lbs of coffee beans are required to produce 309 lbs of farmer's coffee?