6.
original=100%
75% off means
100%-75%=25%
remaining is 25%
it was sold for 45
therfor
25%=45
find 100%
just multipl it by 4 since 25 times 4=100
100%=45 times 4=180
originl price=180
answer is A
7. simle interest
I=PRT
P=principal=1000
I=interest=300
T=time=5
R=rate in percent form=?
300=1000?5
300=5000?
divide both sides by 5000
0.06=?
aka
6%
answer is 6%
b is answer
6. A
7. B
