Please help, having a bit of trouble with it.
1 answer:
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Answer:
Step-by-step explanation:
I am going to say that:
Mary's amount is x.
Ashley's amount is y.
Oscar's amount is z.
Mary has at least 3 times the amount of cash that ashley and oscar have combined
Ashley's and Oscar's combined amount is y + z.
3 times this amount is 3(y + z).
At least 3 times means that z is equal or greater than 3(y + z).
So
Let be the line that passes through both points.
We know that and
. So:
Solving the system, we get that a= -1 and b = 6.
So the line is equal to .