Casper has some whipping cream that is 18% butterfat and some milk that is 4% butterfat. He wants to make a 500 mL mixture of them that is 12% butterfat.
Here's a graph that shows a system of equations for this scenario where x is the volume of whipping cream
he uses and y is the volume of milk he uses.

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.