Mathematics, 01.03.2021 23:00 hellokitty9440
Scott was going to sell all of his stamp
collection to buy a video game. After selling
half of them he changed his mind. He then
bought fifteen more. How many did he start
with if he now has 40?
Answers: 2
Mathematics, 21.06.2019 16:00
Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?
Answers: 1
Scott was going to sell all of his stamp
collection to buy a video game. After selling
half o...
half o...
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