Answer:
22.22%
Step-by-step explanation:
A students spent 2 hours studying, 1 hour doing laundry, and hours ( hours) watching television.
Total time spent = 2 + 1 +
= 3 + 1.5
= 4.5 hours
Now percent of time spent in doing laundry = × 100
= 22.22%
He spent 22.22% time in doing laundry.
the number is 100
1/4 of hundred = 25
2/4 of hundred = 50
3/4 of hundred = 75
4/4 of hundred = 100
f(x) = 3^x
when f(x) = 9 then
9 = 3^x
3^2 = 3^x
2 = x
or
x = 2
Answer
A. 2