1) 6/25 is .24 or 24%
2) 15/50 is .3 or 30%
3) 12/40 is .3 or 30%
a)
3 chocolate chip cookies - $2.49 .
So 1 chocolate chip cookies costs 2.49/3=$0.83
b)
1 chocolate chip cookie costs $0.83
20 chocolate chip cookies cost 0.83*20=$16.6
Full credits to a Brainley User.
Answer:
<u><em>x = ±1</em></u>
Step-by-step explanation:
x² + 0x -1 = 0
x²- 1 = 0
x² = 1
x = ±1
--------------
check
1² + 0x - 1 = 0
1 - 1 = 0
(-72×-11) / (-7x-48) =
792 / 336 = 2.36
or the fraction in simplest terms is 33 / 14
