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Nine more than four times a number is the same as one less than twice the number. find the number?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.