Answer:
There is 120 milligrams of caffeine in a cup of coffee.
Step-by-step explanation:
A cup of brewed tea has 54 milligrams less caffeine than a cup of brewed coffee. A cup of tea has 66 milligrams of caffeine.
Let the amount of caffeine in a cup of coffee be = x
In the equation form, we can denote this as:
Solving for x
x = 120
Therefore, there is 120 milligrams of caffeine in a cup of coffee.
x^2-6x+20=6x
Answer:
x=10 or x=2
Step-by-step explanation:
msg me if ya need step
<3, Red
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B.
Answer:
16
Step-by-step explanation: