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arsen [322]
3 years ago
10

Jack was 13 years older than Priscilla. together their ages totaled 163 years . What were their ages?

Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0

Answer:

Jack is 88, Priscilla is 75.

Step-by-step explanation:

Let J represent Jack's age and let P represent Priscilla's age.

Their age totaled 163, so:

J+P=163

And we know that Jack was 13 years older than Priscilla. In other words:

J=13+P

Solve for J and P. To do so, substitute the second equation into the first:

13+P+P=163

Combine like terms:

2P+13=163

Subtract 13 from both sides:

2P=150

Divide 2 from both sides:

P=75

So, Priscilla is 75 years old right now.

Jack is 13 years older meaning that Jack is 88 years right now.

And we're done!

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The question is not complete and the full question says;

Calculate the (a) range, (b) arithmetic mean, (c) mean deviation, and (d) interpret the values. Dave’s Automatic Door installs automatic garage door openers. The following list indicates the number of minutes needed to install a sample of 10 door openers: 28, 32, 24, 46, 44, 40, 54, 38, 32, and 42.

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