You have the following equation:
|n| = 8 the two vertical bras | | means absolute value of variable n
when you have an equation with an absolute value you consider that n could be negative or positive, because the absolute value of a number always results in a positive number. Then, n can be 8 or -8, because |-8| = |8| = 8. Hence, you have
n = ±8
I'm pretty sure it would be 50+15 because 5x3 is 15 and 5x10 is 50... correct me if I'm wrong
Answer:
The answer is $8 dollars.
Btw you copied and pasted the math problem twice.
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3/4 = 6/8 after you multiply top and bottom by 2
Subtract 3/4 from 7/8 and we get
7/8 - 3/4 = 7/8 - 6/8 = (7-6)/8 = 1/8
There is 1/8 of a gallon left
