Jon goes to a flea market and sells comic books for 3 dollars each. He starts the night with 20 dollars in his cash register. At the end of the night, he has 47 dollars in his cash register.
How many comic books did Jon sell?

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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?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r