Answer:
128
Step-by-step ex
Answer:
7/2??
Step-by-step explanation:
Im not sure what you mean but 3 1/2 is the same thing as 7/2
The ages of each relative are 30, 10 and 80 years respectively.
Translating the word problem into an algebraic expression, we have;
......equation 1
.......equation 2
......equation 3
Substituting eqn 2 and 3 into eqn 1, we have;
Dan, D = 10 years
For James;
James, J = 30 years.
For Paul;
Paul, P = 80 years.
Therefore, the ages of each relative are 30, 10 and 80 years respectively.
Read more: brainly.com/question/6463206
Answer: Your answer is 60
Step-by-step explanation: