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Please help me I need help

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?

User Bling
by
6.8k points

2 Answers

6 votes

Answer:

1/20 lbs of clay left after Tuesday

User ChickenSoups
by
8.0k points
3 votes
1/2 - (1/5 + 1/4) =
10/20 - (4/20 + 5/20) =
10/20 - 9/20 =
1/20 lb left <==
User Matei Florescu
by
7.5k points