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Mathematics 18 Online
OpenStudy (31356):

Mika’s gym allows her to bring 3 guests for free. After the first three, she must pay $7 per guest. How many guests, g, can she bring to the gym if she pays $42? Three of these equations give the correct value of g. Which equation does NOT? a)7g=63 b)7g-3=42 c)7(g-3)=42 d)g=9 FREE MEDAL REWARDED!!

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