63.5 if u want working out let me know
Answer:
7 g.
Step-by-step explanation:
7g = 7000 mg
Answer:
x=12
Step-by-step explanation:
plug in 12 to x and results will make sense
Yes his equations are correct
Let's plug the values and see which couple satisfy the equation: since
, if we plug the values from the first option
we have

which is correct.
If we plug the values from the second option
we have

which is not correct
If we plug the values from the third option
we have

which is not correct
If we plug the values from the fourth option
we have

which is not correct
So, the answer is the first one.