R(t)=10t+20. This shows the first 20 pesos, and the additional 10 pesos for every hour. Hope this helps.
So let's say quarters = x and dimes = y. You'd then put x + y = 77 (for a total of 77 coins). And your second equation would be .25x + .10y = 12.50 (.25 for the total value a quarter holds and .10 for a total value a dime holds). Then you'd do matrices on a calculator.
Answer:
the canine community center is the better deal
Step-by-step explanation:
the sit and stay school:
96/12 is 8
it is $8 per class
the canine community school:
125/5=5
it is $5 per class
