Benjamin had 1/2 lb of modeling clay. he used 1/5 lb on monday and another 1/4 lb on tuesday. how many pounds of clay does benjamin have left after tuesday? enter your answer in simplest fractional form in the box.

1/20 pounds

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

So, we have to subtract the amount of clay used (1/5 +1/4) to the amount of clay available (1/2).

Mathematically speaking:

1/2 lb - ( 1/5 lb +1/4 lb) =  

1/2 lb - 9/20 lb = 1/20 lb = 1/20 pounds

answer: sine

step-by-step explanation: