Answer:
Marc's age is 12
Step-by-step explanation:
Let
x ----> Marc's age
y ---> Tony's age
z ---> Ben's age
we know that
the sum of their ages is 40
so
-----> equation A
Marc is half as old as Tony
so
----> equation B
Marc is three times as old as Ben
so
----> equation C
substitute equation B and equation C in equation A
solve for x
therefore
Marc's age is 12
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➷ slope = (y2 - y1)/(x2 - x1)
Substitute in the values
slope = (3-8)/(-6-9)
Solve:
slope = 1/3
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Answer:
Step-by-step explanation:
Ok. What is it
Answer:
x = 16
Step-by-step explanation:
Answer:
I think it's B I hope this is the right answer.
