What is the expression ????
Answer:

Step-by-step explanation:
Amount of money to invest in Atlantic Oil= A
Amount of money to invest in Pacific Oil = P
Total money invested in the two oil companies = A+P
Since at least 60% of the money invested in the two oil companies must be in Pacific Oil



Hence the required model is 
Answer:
3x=6. 5x=10. 6x=12
Step-by-step explanation:
the sides are 6,10,12.
Density=m/V
m=80 gr
V=200cm^3
Density=80gr/200cm^3
Density=0.4 gr per cubic centimeter
180=76+4x
180-76=4x
104=4x
104/4=x
26=x
Measurement A= 26