15x - 12, or 3 * (5x + 4).
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The multiple of 4 less than 15 is 12. A multiple is the result of multiplying a number by an integer. In this case, 4 multiplied by 3 equals 12, which is less than 15. Therefore, the multiple of 4 less than 15 is 12.
15 less than 7 times a number is:15-7n
The algebraic expression is: 15x-12
x is less than or equal to 15
It means that 15 times out of 100 you will be successful, but 85 times out of 100 you will fail. * * * * * Minor correction: in the long run you will succeed less often than an average of 15 times out of 100.