Answer:
MRS is the demand side of equation while MRT is for the supply side.
MRS defines how much a consumer is willing to give up of good X for 1 additional unit of good Y to stay on the same utility level. It is shown by indifference curve. MRS = Price of X/ Price of Y
Similarly, MRT is how much a supplier is willing to give up producing good X for 1 additional unit of good Y. It is shown by Production Possibility Frontier. MRT = MC of X/ MC of Y
Roughly 347 miles per minute or roughly 6 miles per second.
Yellow-36, White-60
Yellow-45, White-75
Yellow-54, White-90
The printer is printing 12 pages per minute
36/3=12
108/9=12