The difference of 3 times a number 5. This is stated however I wonder if there is supposed to be an "and" 5.

So first thing you want to do is define a variable.

Let x = the number, therefore the difference of 3 times a number and 5 would be the expression:

`3n-5`

the second part that reads is more than the number times 4 means that this is an inequality.

Therefore you would have a greater than symbol and the inequality looks like this:

``

2. One less than a number is greater than the product of 3 and the difference of 5 and the number.

One less than a number : `n-1`

is greater than: >

the product of 3 and the difference of 5 and the number: `3(5-n)`

``

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