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vladimir1956 [14]
2 years ago
11

Ali completed 1/3 of her homework on Friday and 1/4 of her homework on Saturday. She told her mother she is almost done. Is she

correct? Please explain your answer.​
Mathematics
1 answer:
aev [14]2 years ago
5 0

Answer:

Yes, she is almost done

Step-by-step explanation:

We can find the common denominator of these fractions, then add them.

1/3=4/12

1/4=3/12

Then we add the two, and round it up either up or down, depending if it is above 1/2. 6/12 is equal to 1/2, and 4/12+3/12 is 7/12 which is greater than 1/2, so she is almost done.

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Step-by-step explanation:

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3 years ago
Which of the following options have the same value as 30\%30%30, percent of 818181?
Nataly_w [17]

Answer:

Option B is correct = 0.3 \times 81

Step-by-step explanation:

<u>The complete question is:</u> Which of the following options have the same value as 30% of 81?

Group of choices is:

(A) \frac{30}{100}\times 81 \times 100

(B) 0.3 \times 81

(C) 0.03 \times 81

(D) \frac{3}{10}\times 81 \times 10

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Now, the expression given to us is 30% of 81.

Simplifying the above expression we get;

   30% of 81  =  \frac{30}{100} \times 81

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Now, we will solve each of the given options and then see which option matches with our calculation.

Option (A) is given;

\frac{30}{100}\times 81 \times 100  =  30 \times 81

This doesn't match with our answer, so this option is not correct.

Option (B) is given;

0.3 \times 81  

<u><em>This matches with our answer, so this option is correct.</em></u>

Option (C) is given;

0.03 \times 81  

This doesn't match with our answer, so this option is not correct.

Option (D) is given;

\frac{3}{10}\times 81 \times 10  =  3 \times 81

This doesn't match with our answer, so this option is not correct.

Option (E) is given;

30 \times 81  

This doesn't match with our answer, so this option is not correct.

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Step-by-step explanation:

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