Minixa counted 40 green cars, and 20 sliver cars in the parking lot. If the number of green cars stay the same, how many more silver cars would need to be added so the ratio of green cars to silver cars is 1 to 3?

A factory machine produces kilograms of chocolate every minutes. At what rate does the machine produce chocolate? A. kg/min B. kg/min C. 3 kg/min D. 6 kg/min

Lucy, Gorman, and Rafael sent a total of 140 text messages over their cell phones during the weekend. Rafael sent 4 times as many messages as Goran. Goran sent 8 fewer messages than Lucy. How many messages did they each send?

In training for a swim meet, Logan swam 750 meters in 1/3 of an hour. His swimming partner Mila, swam 2/3 of Logan's distance in 1/4 of an hour. How far did Mika swim

Which is greater between 222³³³ or 333²²²

2 times 3 1/3, write as a mixed number

A problem on a multiple-choice quiz is answered correctly with probability 0.9 if a student is prepared. an unprepared student guesses between 4 possible answers, so the probability of choosing the right answer is 1/4.

The sum of two numbers is 47 and the difference is 9 what are the numbers?

List two properties of the polygon in the grid

what are the new coordinates after reflecting across x=2 if the coordinates are K (-2,-1) L (-2,-3) M (-5,-3) N (-5,-1)

What is x and y to 3y+7x=4 - 6x+y=-7