On Friday, Kelsey went to a local carnival. She bought a pretzel for $5 and played three games. On Saturday, Kelsey went back to
2 answers:
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x = total amount of gumballs
let's start subtracting the balls she's giving away
and we also know that after all that has been subtracted, she's only left with 5, so we can say that
We know:
and
These expressions have an term in common. We can combine them if we can find forms of the expressions in terms of
:
Now, because (by the reflexive property), we can write:
This is our answer, A.