the answer is the 3rd opiton
4z-20+2=4z-18
4z-18=4z-18
Their answer is the same no answer for this .. or maybe you forgot to wrote an other thing... I hope that I could help you!! :)
20 weeks, earnings $(15 + 35), spending $300:
<span>20(15 + 35) - 300 = amount of money she has left
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The first one is D and the second is A