Since you have y alone on one side of the equation......
Use substitution and plug in 1/2x-4 for y in the other equation.

Distribute

Combine like terms

Add 8 to both sides

Divide by 4
and 
Plug this value in for x

Simplify

Multiply everything by 8 and simplify

Divide.....

Your answers are:

For example #1 is 3/4 since there is no whole number but but for #3 1 and 1/8
1/4 or .25 because 6 * 4 = 24 so 6 would be a quarter of 24
The answer is letter A. A meter has nearly the same value to a yard, one yard approximately amounting to 1.09361 meter. The rest of the other measures are far from meter's value in distance.
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Yasss I think so but I bee help tooo