Answer:
D.
Step-by-step explanation:
Answer:
The length of time it takes for Ryan to use all the plant food.
Step-by-step explanation:
I think
Let x is the amount of $11 per pound coffee
then the equation will be,
11x + 3(30) = 5 (x + 30)
11x + 90 = 5x + 150
11x - 5x = 150 - 90
6x = 60
x = 10
So, $10 is the amount of $11 per coffee that should be added
Answer:
64
Step-by-step explanation:
=> 8²
=> 8 × 8
=> 64