Write and solve a word problem that can be modeled by the difference -4-10

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left