Kate has some dimes and quarters. if she has 1919 coins worth a total of $2.95, how many of each type of coin does she have?
1 answer:
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The average is pretty simple to find. Add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
The answer to this specific question can be modeled as . After simplifying everything, you would get x
77, so Justin has to get at least a 77 to get a 75 average.
Answer:
The required equation is 6x+5y+57=0.
