S= 15
3s=45
3s/3=45/3
S=15
You have to divide both sides
% means per 100
so when figuring out percents it's good to use 100
so
on $100 7% would mean $7
on $50 7% would mean $3.5
in $200 7% would mean $14
The answer is C because an angle is determined by the letter in the middle. It is given that a is smaller than b and c=90
