Answer:
Step-by-step explanation:
20-10 / 7-7 = 10/0
The bottom number is called the denominator.
The denominator of a fraction cannot be zero.
Therefore the answer is the last one.
Answer:
244/5
Step-by-step explanation:
244:5 converted to a simplified fraction is 244 over 5
Answer:
The will be answer is 7216
Step-by-step explanation:
C=1500+4x where x is cds, C is cost
R=10x where R is revenue
then, P=R-C
P=10x-1500-4x
P=6x-1500
set P=0
1500=6x
x=250
check, C=1500+4*250, R=10*250
C=250, R=250
They need to sell 250 cds before they make profit