Answer:
c=35
Step-by-step explanation:
3c - 15 = 90
+15 = +15
3c = 105
////////////
3. 3
c = 35
Y=-3x+6
Step-by-step explanation:
Answer:
The 3-day pass costs $16.67 more per day than the 7-day pass.
Step-by-step explanation:
The easiest way to do this is to find the cost of each pass for the same amount of days. To do this, we find the lowest common multiple of 3 and 7 which would be 21
Lowest common multiple = 
Next we find the cost of each pass for 21 days by multiplying cost of the 7 day pass by 3, and the cost of the 3 day pass by 7
Cost of 7 day pass for 21 days = 
Cost of 3 day pass for 21 days = 
From this, we know that the difference between the two passes is $350 per 21 days. Since the question asks how much more would the 3-day pass cost <em>per a day</em> than the 7-day pass, we have to divide the difference by 21

We can round this to $16.67. As a result, the 3-day pass costs $16.67 more per day than the 7-day pass.
Answer:
166.666.667
Hopes this helps
Step-by-step explanation:
Answer:
y=6x
Step-by-step explanation:
In this function, the input is the variable x. The problem says that the output is six times the input, so we will need to multiply the input by 6. To write this as a function, set the output (y) equal to 6 times the input (x):