Mr. edge has dimes, nickels, and quarters in a jar he has an unknown amount of quarters, two times as many nickels as quarters and four times as many dimes as quarters altogether he has $7.50 how many of each coin does he have?

Find x to the nearest hundredth place

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap