Answer
Find out the how much would four pieces cost .
To prove
As given
if 3 pieces of candy cost $2.10 .
Thus
[tex]Cost\ of\ one\ piece\ candy = \frac{2.10}{3}[/tex]
Cost of one piece candy = 0.7
Cost for four pieces candy = 0.7 × 4
= $2.8
Therefore the Cost for four pieces candy be $2.8 .
