40$ - 100% (full price)
x$ - 70% (100-30=70%)
40 * 70 = 100x
2800 = 100x
x = 28
Answer 28$
or
40$ = 100%
then 1% = 40/100 = 0.4$
so 70% will be 0.4 * 70 = 28$
You would subtract 13 from both sides and get
4.8x = -12
Then divide both sides by 4.8 to isolate x
And end up with
x = -2.5
I HOPE THIS HELPS AND I HOPE IT IS RIGHT
I think 16 but not sure DONT trust me
1 5/8
Trust me :)
If it's wrong then sue me instead :D
Answer:
This isn't a real question... but i can explain what you gave. 12/14 is less than 1, so it is less than 9.