The combined age of three relatives is 120 years. james is three times the age of dan, and paul is two times the sum of the ages of james and dan. how old is each person?
dan is years old
james is years old
paul is years old.

Step-by-step explanation:

From the problem statement, we can create the following equation:

where is the age of James, is the age of Paul, and is the age of Dan.

From the first part of the second sentence, we can set up the following equation:

From the last part of the second sentence, we can set up the following equation:

We can substitute the second equation into the last one to get the following:

We can then substitute the last two equations in the first to solve for :

Plugging this into the other two equations will give us the remaining ages:

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

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step-by-step explanation: