Answer:
(4 * x) - 15
Explanation:
"15 fewer" means "subtract 15" or - 15
"the product of 4 and a number":
Product is another word for "multiply".
A number is generally set as a variable, "x".
The product of 4 and a number means 4 * x, or 4x.
Set the equation:
4x - 15 is your answer.
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