A shop owner bought 30 files and some diaries .he paid $82.50 for the files.each diary cost 10 times as much as a file.what was
the cost of each diary?
1 answer:
<h3>✽ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>
➷ Divide total cost by the number of files:
82.50/30 = 2.75
Multiply by 10:
2.75 x 10 = 25.5
The cost was $27.50
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