6 is 30 less than 6 times itself.
Suppose the number is x.
Then 6 times itself is 6x.
30 less than that is 6x - 30
So x = 6x-30
so that 5x = 30 and then x = 6
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A car average a speed of 30mph over a certain distance and then returns over the same distance at an average speed of 20mph. What is the average speed for the total?
One
If i understand you correctly, 8 times itself is 8 * 8 = 64and 64 - 63 = 1
six less than fourteen times a number
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15 less than 7 times a number is:15-7n