The answer is C.
-3*2+3=-3
2*2-7=-3.
hope this helps!
Answer:
$8.40
Step-by-step explanation:
to find discount you use part=%(whole) so you are looking for your part but know the % and whole so you do x=40%(21) and 40%, or 0.4, times 21 is 8.4 so thats your part, 8.4 is 40% of 21 and thats how much youll pay
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