Explain how using basic facts can you find 10 x 20 x 30 x 40 mentally

What were mkh company's cash flows from (for) operating activities in 20x1? $(180,300) $233,100 $268,200 $279,400?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28