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iwanttogotostanford
 one year ago
ACT PREP Q: if 5 times a number n is subtracted from 15, the result is negative. Which of the following gives the possible value(s) for n?
iwanttogotostanford
 one year ago
ACT PREP Q: if 5 times a number n is subtracted from 15, the result is negative. Which of the following gives the possible value(s) for n?

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iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.00 only 3 only 10 only all n greater than 3 all n less than 3 ANSWER CHOICES

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1"negative" means less than 0, so 15  5n < 0 know where to go from here?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0would you add 15 to the other side?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0so we would then have 5n less than 15?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1yes, do you know what to do next?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0so would n=3?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1almost but not quite so we have 5n < 15 divide both sides by 5 gives us n > 3 (remember, when we divide or multiply by a negative number, the inequality sign flips direction)

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0so n greater than 5?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0ok so the answer would then be all n greater than 3?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0okay! one more question ??? @Vocaloid

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0ok, should i create a new Q?
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