The number of cans is proportional to the number of days, because each day it uses 2 c
Answer:

Step-by-step explanation:
Combining like-terms gives us 
Hope this helped!
Answer:
225 is the correct one
Step-by-step explanation:
u multiply 15m*9 months u get 135 and then u add the existing 90m and then it becomes 225mp3
15m*9+90
Answer:
40 mph
Step-by-step explanation:
average speed 40mph
Answer:
5n+p>40
n+p<20
Step-by-step explanation:
Since pennies are worth 1 cent and nickels 5, using n as the number of nickels and p as the number of pennies, we can say that 5*n+1*p>40. Then, n+p is less than 20, so n+p<20. Our answer is then
5n+p>40
n+p<20