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user100 [1]
2 years ago
9

Dalvin answered 51 questions correctly on his multiple choice science final and earned a grade of 85%. How many total questions

were on the final exam?
Mathematics
1 answer:
Leona [35]2 years ago
4 0

Answer:

60

Step-by-step explanation:

Divide the number of questions answered correctly by his percentage

51 / 85 = 0.6

Now multiply that answer by 100 to see how many questions are on the quiz

0.6 x 100 = 60

Check your work by dividing that number by the number he answered correctly

51 / 60 = 0.85

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In a list of 7 consecutive integers, the sum of the first and last is 518. find the largest.
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Answer:

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Step-by-step explanation:

If x is the first integer, then x+1 is the second, x+2 is the third, and so on.  Meaning the 7th term in the list is x+6.

x + x + 6 = 518

2x = 512

x = 256

The first integer is 256, so the last integer is 262.

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3 years ago
Mark was thinking of a number. Mark doubles it, then adds 11 to get an answer of 52.6. What was the original number?
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Answer:

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