Which equation can we use to determine m, the number of marble packs
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Mathematics, 26.06.2019 19:30, bhopainting
Adisplay has 6 packs of marbles with a total mass of 629g. the packaging of each pack has a mass of 2/3g and each marble has a mass of 4 1/2g. which equation can we use to determine m, the number of marbles per pack? a.6x4 1/2m+2/3=629 b.6m(4 1/2+ 2/3)=629 c.6m+4 1/2 +2/3)=629 d.6(4 1/2m +2/3)=629
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Adisplay has 6 packs of marbles with a total mass of 629g. the packaging of each pack has a mass of...
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Answer:
6(4 1/2m + 2/3) = 629
Step-by-step explanation:
To choose the correct answer, you work backwards. To find the number of marbles per pack (the actual answer, NOT the equation), you have to first:
- Divide 269 by 6 (which they already do for you). The answer is 2/3g
- Then divided the mass of each packaging by the mass of each marble (2/3g divided by 4 1/2g).
- That will give you the answer of how many marbles there are in each packaging pack.
Now look for the choice that says exactly what we just did. The correct choice [6(4 1/2m + 2/3)] says that 4 1/2 plus 2/3 times 6 will equal the original answer (629). And, that's another way of saying all of the steps we did above. Therefore, the correct answer is 6(4 1/2m + 2/3). I hope this helps!