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anonymous
 one year ago
Please help!
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)7g3=42
c)7(g3)=42
d)g=9
anonymous
 one year ago
Please help! 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)7g3=42 c)7(g3)=42 d)g=9

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0am i allowed to just give the answer as i explain it?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay, so we take d, and say g = 9. multiply 9 by 7. this equals 63. if you subtract three at this point, your final answer would be 60 instead of 42 like it should be. therefore, b is the correct answer by being the incorrect equation

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh, yes that does make sense, thank you
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