108 = -12 + -4(-5n + 7)
108 = -12 + (7 * -4 + -5n * -4)
108 = -12 + (-28 + 20n)
108 = -40 + 20n
-20n = -40 + -108
-20n = -148
n = 7.4
Answer:
Given: 175 g/L
1 gram/liter = 0.06242796 pound/cubic foot
175 g/L * 0.06242796 pound/cubic foot= 10.924893 lb/ft3
So, a foam material has a density of 10.924893 lb/ft3 in units of lb/ft3
Step-by-step explanation:
0.23 represents the number of cake pieces that have been eaten.
Step-by-step explanation:
The decimals are the end result of fractions.
Given
Total number of cake pieces = 100
Cake pieces that have been eaten = 23
So the fraction of cake pieces that have been eaten will be determined by the fraction 
Converting the fraction into decimal will give us 0.23
Hence,
0.23 represents the number of cake pieces that have been eaten.
Keywords: Fractions, decimals
Learn more about decimals at:
#LearnwithBrainly
Answer:
Im guessing your asking how many weeks he needs to work, he needs to work 20.2 weeks to get enough for the car. You can easily make a equation with this answer comment on this if you want me to make the equation for you
Step-by-step explanation: