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scZoUnD [109]
3 years ago
6

Brian, Chris, and Damien took a math test that had 20 questions. The number of questions Brian got right is 14 more than 1/4 the

number of questions Chris got right. Damien correctly answered 2 less than 5/4 the number of questions Chris answered correctly. If Brian and Damien have the same score, which statement is true?
Mathematics
2 answers:
Minchanka [31]3 years ago
7 0
I believe the answer to your question is A!
ira [324]3 years ago
6 0

Answer: only true statement is ---The number of questions Brian got right is 14 more than 1/4 the number of questions Chris got right

Step-by-step explanation:

Let Brain and Damien both scored x while Chris scored y then

According to the first relation

x=\frac{y}{4}+14

where x and y are less than or equal to 20 .

For y=20 , x=19     possible value

According to the second relation

x=y\times \frac{5}{4}-2

where x and y are less than or equal to 20 .

For y=20 , x= 23 not possible

so only true statement is ---The number of questions Brian got right is 14 more than 1/4 the number of questions Chris got right

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Supplementary means they add up to 180

angle 1 = x
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so x + x + 166 = 180
2x = 14
x = 7

so angle 1 = 7 angle 2 = x + 166 = 173
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