Solve the equation 0.4+0.5=-4.7-0.6z

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

Need plz been trying to do it for a long time and still haven’t succeeded