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N76 [4]
3 years ago
9

The product of the ages of three children is 1872. The age of the middle child is the average of the ages of the other two child

ren. What is the sum of their ages
Mathematics
1 answer:
sergejj [24]3 years ago
7 0

The total age of the three children are = 37years

<h3>Calculation of the total age of children</h3>

The product of the ages of three children is = 1872.

Let take child 1 = x

child 2 = x

child. 3 = x

Therefore, the age of three children = x³= 1872

Therefore;

x =  \sqrt[3]{1872}

X = 12.32448

The age of the middle child = 12.32448 + 12.32448

= 24.64896/2

= 12.32448

Therefore the sum of their ages = 12.32448 + 12.32448 + 12.32448 = 37years.

Learn more about age calculation here:

brainly.com/question/2744275

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guajiro [1.7K]

9514 1404 393

Answer:

  10/33

Step-by-step explanation:

The usual approach (if your calculator won't do this for you) is to convert the mixed number to an improper fraction, then perform the division. That division can be accomplished by multiplying the numerator by the inverse of the denominator.

  1 7/15 = (15+7)/15 = 22/15

Then ...

  (4/9)/(22/15) = (4/9)(15/22) = (2·2·3·5)/(3·3·2·11) = (2·5)/(3·11) = 10/33

_____

<em>Alternate solution</em>

Both fractions can be given the same denominator:

  4/9 = 20/45

  1 7/15 = 22/15 = 66/45

Now, the division is ...

  (20/45)/(66/45) = 20/66 = 10/33

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Answer:

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Step-by-step explanation:

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Raul is paid $75 per week plus $5 for each new gym membership he sells. He may switch to a gym that pays $50 per week and $7.50
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