I don't understand the question. Can I have some context?
The solution x=1/5 is a solution to the first option.
5*1/5=1
hope this helps!
Answer:
28 people voted
Step-by-step explanation:
From the question, we were told that 70% of the total members voted.
Total members = 40
Number of those that voted = 70% x 40
Number of those that voted = 70/100 x 40 = 28
From the first two inference, it takes her phone 1 minute to charge 2% i.e 1 minute of charge = 2% of battery.
Therefore; charging from scratch,
1 min = 2%
x mins = 50%.
using cross multiplication,
x mins = (50% × 1 min) ÷ 2%.
x = 25 mins.
For 90%, applying the same formula,
y min = (90% × 1 min) ÷ 2%
y = 45 mins.
So from zero percent, it will take Dana's phone 25 minutes to charge to 50% and 45 minutes to charge to 90%.
X = 1/2 (150 - 60) = 45°
Answer: 45°