Se lanzan 4 dados y se determina la suma de los números obtenidos. ¿Cuál de los siguientes eventos corresponde a un evento impos
1 answer:
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Let 
, so that 
but 
. Since 
, it follows that 
, and since 
, it follows that 
, which means 
.
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