Anna and bill share some money in the ratio 2: 5 anna gets £a bill gets £b carl and donna share twice as much money as anna and bill share. they share the money in the ratio 3: 1 carl gets £c donna gets £d find a: b: c: d in its simplest form

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- 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. 3- 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 part b?