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3 years ago

HELP WILL GIVE BRAIN

Mathematics

2 answers:

Allushta [10]3 years ago

4 0

Answer:

$x = 6$

Step-by-step explanation:

What I would do in this case is cross multiply, although there are other strategies. I will explain cross multiplication here. In cross multiplication you multiply the denominater and numerator of different fractions on each side of the equal sign. So for this problem you would multiply 4 and X, denominator of the first number and numerator of the second. Then you would multiply the numerator from the first fraction, 3, and denominator from the second, 8.

$4 \times x = 4x \\ 3 \times 8 = 24 \\ \\ so \: 4x = 24$

Now we can solve for x.

$4x = 24 \\ \div 4 \\ x = 6$

Lana71 [14]3 years ago

3 0

Answer:

Ohh I get a brain 0.0

Step-by-step explanation:

4 x 2 =8

3 x 2= 6

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ANSWER

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EXPLANATION

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3 years ago

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Reptile [31]

Answer:

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$\text {Laura = } 12 \text { years } 3 \text { months }$

$\text {Lisa = } 11 \text { years } 7 \text { months }$

$\text {Deborah = } 11 \dfrac{1}{2} \text { years } = 11 \text { years } 6 \text { months }$

$\text {Elizabeth = } 11 \dfrac{1}{3} \text { years } = 11 \text { years } 4 \text { months }$

-----------------------------------------------------
Find Total :
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$\text {Total = } 12 \text { yr } 3 \text { mth } + 11 \text { yr } 7 \text { mth } + 11 \text { yr} 6 \text { mth} +11 \text { yr } 4 \text { mth}$

$\text {Total = } 45 \text { years } 20 \text { months }$

-----------------------------------------------------
Find Average :
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$\text {Average = } (45 \text { years } 20 \text { months }) \div 4$

$\text {Average = } 560 \text { months } \div 4$

$\text {Average = } 140 \text { months } \div 4$

$\text {Average = } 11 \text { years } 8 \text { months }$

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$\bf \text {Answer : Average = } 11 \text { years } 8 \text { months }$
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4 years ago