Answer:
Multiplication
Step-by-step explanation:
I think what you're talking about is not a decimal, but a multiplication point:

This dot can donate multiplication when in the middle of two numbers and/or fractions.
But if you're talking about some other point, then I don't know, sorry. :(
Answer:
8 and 5
Step-by-step explanation:
Answer:
Step-by-step explanation:
Bringing like terms on one side
4x - x = 7 + 1/2
3x = 7.5
x = 7.5/3
x = 2.5
At a price of $8 per unit, suppliers are willing to provide 6 units. How many units are consumers interested in purchasing at a price of $4 a unit? At eight units consumers are interested in purchasing at a price of $4 a unit.