Answer:
Assignments finished = 7
Step-by-step explanation:
Given that:
Time taken for one assignment = 20 minutes
Time spent on working = 2 hours 20 minutes
2 hours = 120 minutes
Time spent on working = 120 + 20 = 140 minutes
Number of assignments = 
Number of assignments = 
Number of assignments = 7
Hence,
Assignments finished = 7
B is a factor of the equation above because if you do 3a^2 + 17a + 10 you would get (3a +2) (a+5)
DescriptionA market economy is an economic system in which the decisions regarding investment, production and distribution are guided by the price signals created by the forces of supply and demand.
It is actually based of of calculation, this isint really a trick its just and advance calculation system thats why you add and divite certain number :)
hope this helps ❤️
