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uysha [10]
3 years ago
14

I don't understand how to solve this Write a proportion to find how many points x a student needs to score on a test worth 50 po

ints to get a test score of 40%.
Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0

Answer: 20

Step-by-step explanation:

Total worth of test = 50

Percentage of test score to be gotten = 40%

Then , the total point the student need to get to get 40% will be:

= x/50 = 40%

x/50 = 40/100

x/50 = 0.4

Cross multiply

x = 50 × 0.4

x = 20

The student needs to score 20 points

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Answer:

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2 years ago
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Answer:

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Step-by-step explanation:

Let the larger number be represented by x and the smaller number by y,

Provided they are consecutive numbers;

x = y + 1 --- Equation 1

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Required

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Substitute y + 1 for x in equation 2

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Open bracket

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