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3 years ago

7

Multiply 7/8 and 9/10

2 answers:

Ratling [72]3 years ago

4 0

7 times 8 is 56
9 times 10 is 90

MissTica3 years ago

4 0

The answer would be 63/80.

Explanation:
To multiply fractions, all you do is you multiply the numerator and the denominator. In this case, 7 and 9 are the numerators, so 7 x 9 = 63. 8 and 10 are the denominators, so 8 x 10 = 80. Therefore, the answer is 63/80.

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umka2103 [35]

The new mean is 66.09

<u>Explanation:</u>

Mean weight of 20 students = 65kg

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New mean = ?

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The above equation can further be written as:

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Lady_Fox [76]

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