Answer:
Each share worth is $42.0672 .
Explanation:
As given 
You invest $3,756.00 and buy 100 shares of a company's stock. 
Their value increases by 12%. 
12% is written in the decimal form 

= 0.12 
Share value increase = 0.12 × Investment cost 
 = 0.12 × 3756 
 = $450.72 
Total value of shares becomes after increases of 12% = Share value increase + Investment cost .
Total value of shares becomes after increases of 12% = $3756+ $450.72
 = $4206.72 


Each shares worth = $42.0672 
Therefore the each share worth is $42.0672 .