Mathematics, 15.11.2019 00:31, Will1119

1). the $70 selling price of a bicycle is the cost increased by 4 times the cost. find the cost?
2). three pounds less than twice mikes weight is 215 pounds. what is his weight?
3). if mr washingtons saving were increased by 5 times his savings. he would then save $36,000. how much has he saved ?

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1). the $70 selling price of a bicycle is the cost increased by 4 times the cost. find the cost?