There are 10 red marbles and 20 green marbles in a bag. colleen says the ratio of red marbles to green marbels is 19 to 20. fritz disagrees and says the ratio is 1: 2. which student is correct? explain your answer

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Assemble the proof by dragging tiles to the statements and reasons column

You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.