![]() They told us 1/5 of the number of T-shirts and the number of pens. Of the number of T-shirts and the number of pens. They're saying we have noīuttons remaining versus 500, so we could rule that out. ![]() The original buttons, and that is almost the opposite Number of T-shirts and pens, but then we just have 1/5 times 500, that'd beġ00 buttons remaining, and they say none of theīuttons are remaining. So we know that this is going to be wrong, because we have the, we're essentially saying that 1/5 of the buttons are remaining. The number of T-shirts, 1/5 the number of pens, andġ/5 the number of buttons. And that would have been accurate if we were left with 1/5 Original number of T-shirts, pens, and buttons. We could have said look, choice A has 1/5 times the sum of our So if we factor out 1/5, this is going to be the same thing as 1/5 times 100, plus 250. Or we could try to factor out the 1/5 here to make this look more So one way to think about it is we could either take theseĮxpressions and distribute the, try to distribute the 1/5. Some fraction times the sum of some things, and then in some cases they Of the choices here, it looks like they have So let's see, do we see 1/5 times 100, plus 1/5 times 250 over here? Well no, we don't see that exactly, but we can see that all We could just write it like this, 'cause if you add zero it obviously doesn't change the quantity. Left with none of the buttons are remaining, so zero buttons. And then how many buttons? Well they tell us that she is So that's going to be plus 1/5 times the original number Is she left with now? Well she know, or they tell us, that we are left with 1/5 the number, the original number of pens. So how many T-shirts is she left with now? So she's left with 1/5 times 100. Number of T-shirts, and she originally had 100 in T-shirts. Generate our own expression, even before looking at these choices, we know that she is left with 1/5 of the original Look at the expressions and see which of these makes sense. One way is to just try toĬome up with an expression that would describe the number of T-shirts, pens, and buttons Melinda has by the end of the convention, and see if that is equivalent Which of the following computes the number of T-shirts, pens, andīuttons Melinda had remaining by the end of the convention? So pause this video and see By the end of the convention, she had 1/5 the number of T-shirts, 1/5 the number of pens, and At the start of a convention Melinda had 100 T-shirts, I'll underline the important numbers here, 250 pens, and 500 buttons to give away to convention attendees.
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