Step-by-step explanation:
charging the phone for 1 minute ,it has 2%
i.e,1----->2
After 2 minutes from that time ,i.e total 3 minutes
it has 6% charge
i.e,3--------->6
from the both the above cases ,1 minute provide 2%=6/3
=2
Hence,
for getting 50%charge=50/2
=25 min
and,for 90 %charge=90\2
=45 min
Answer:
Step-by-step explanation:
n+21
X-3y=-5
-(x+3y=1)
-------------
-6y=-6
y=1
x=-2
4/3
explanation : just write it in fraction form
Give me a picture of the problem and i will solve it
