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Alex17521 [72]
3 years ago
10

A certain math teachers likes to keep a box of prizes to distribute to students. The math teacher likes to keep at least twice a

s many prizes in the box as she has students. If the math teacher currently has 109 students and the box has 88 prizes in it, Determine hw many prizes she would need to buy.
A. 109
B. 108
C. 130
D. 218
Mathematics
1 answer:
Law Incorporation [45]3 years ago
3 0

Option C

Math teacher would need to buy 130 prizes

<em><u>Solution:</u></em>

Given that,

Math teacher currently has 109 students and the box has 88 prizes in it

The math teacher likes to keep at least twice as many prizes in the box as she has students

So, she wants the number of prizes to be twice the number of students

Therefore,

number of prizes = 2 x 109 students

number of prizes = 2 x 109 = 218 prizes

The box has 88 prizes in it

Therefore, number of prizes she would need to buy is:

⇒ 218 - 88 = 130

Thus she would need to buy 130 prizes

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4 - 2 - 3 - 1 - 5

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GREYUIT [131]

Answer:

60.8% which rounds to 61%

42.61% which rounds to 43%

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Step-by-step explanation:

So, there are two ways to do this, either perform the division as you see it, or make it so it is  some number over 100 instead of what it is.


For the first one if you just do the division, either with long division or with a calculator you get exactly .608.  The other two are not as nice, jsut a warning.  From here you multiply it by 100 to get the percent.  For instance with .5 (which is half) the corresponding percent is 50%, which is after you multiply .5 by 100).  if you need help with the division let me know and I can work you through one.


if we go with the second way we would want to make 125 into 100.  To do this we need to multiply it by something to get to 100.  Or in other words, 125x=100.  This winds up being .8, or 8/10  You could also see it as dividing 125 by 1.25 or 5/4, if you need help with this (or any part in particular really) let me know.  


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