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2 years ago

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Oliver bought 5 glow bracelets for each of his party guests and 2 glow bracelets to keep for himself. He bought a total of 37 gl

ow bracelets. How many guests did Oliver invite to his party?

1 answer:

AnnyKZ [126]2 years ago

5 0

7 cuz 2-37 is 35 and divide that by 5 , the 2 is the ones he kept for himself

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We begin with the <span> Turner Middle School:
Ratio of students to teachers: </span> $\frac{620}{31}$
Green Middle School:
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Let check that we cannot form a proportion:
$\frac{620}{31}=20\text{ and } \frac{950}{38}=25$
The two ratios are not equals so we cannot form a proportion.
Let x be the number of <span>teachers that Green have to hire in order to make the two ratios equal. We get the equation:
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<span>The Green school need to hire 9 teachers.

Part-to-whole ratio:
</span>Turner Middle School:
$\frac{620}{31+620}$
Green Middle School:
$\frac{950}{38+950}$

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