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3 years ago

Which of these examples is an error of addition by one?

Mathematics

2 answers:

wlad13 [49]3 years ago

8 0

Your answer will be B the reason is because 38,273+51,425=89698

aksik [14]3 years ago

4 0

Answer: B. 38,273 + 51,425 = 89,798

Step-by-step explanation:

Let's check all the sum by adding their corresponding places.

A. $46,371 + 32,618 = 78,989$

Its correct.

B. $38,273 + 51,425 =89698\neq 89,798$

Here when we add the digits on the hundredth place we get 6 not 7.

Hence, it is the example of an error of addition by one.

Its correct.

C. $13,246 + 84,631 = 97,877$

Its correct.

D. $52,634 + 25,145 = 77,779$

Its correct.

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3 years ago

Ann Pablo and Dan have a total of $78 in their wallet ann has 10 more than Dan Pablo has two Times what Dan has how much do they

ohaa [14]

Answer:

Amount Dan has = $17

Amount Ann has = $27

Amount Pablo has = $34

Step-by-step explanation:

Total amount they have = $78

Let

Amount Dan has = x

Amount Ann has = x + 10

Amount Pablo has = 2x

Total = Dan + Ann + Pablo

78 = x + (x + 10) + 2x

78 = x + x + 10 + 2x

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78 - 10 = 4x

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x = 68/4

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3 0

3 years ago

Challenger Middle school has 800 students. Every Wednesday, 12% of the students stay after school for chess club. How many Stude

ahrayia [7]

Answer: There are 96 students who attend Chess club on Wednesday.

Step-by-step explanation:

Since we have given that

Total number of students in challenger Middle school = 800

Percentage of students stay after school for chess club in Wednesday = 12%

So, Number of students who attend Chess club on Wednesday is given by

$\frac{12}{100}\times 800\\\\=12\times 8\\\\=96$

Hence, there are 96 students who attend Chess club on Wednesday.

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3 years ago

15a + 8a + 2b + 13b + 25

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Answer:

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Step-by-step explanation:

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3 years ago

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4 years ago

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