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AnnyKZ [126]
3 years ago
15

Samuel takes 5 hours to make a table and a chair. He takes 9 hours to make 3 chairs

Mathematics
2 answers:
nikklg [1K]3 years ago
7 0

Answer:

3 hours

Step-by-step explanation:

t = time to make a table

c = time to make a chair

t + c = 5

t+3c = 9

Subtract the second equation from the first

t+3c = 9

-(t + c = 5)

-----------------------

       2c = 4

Divide by 2

2c/2 = 4/2

c =2

2 hours for the chair

t+c = 5

t+2 = 5

t = 5-2

t = 3hours

Kamila [148]3 years ago
3 0

Answer:

It takes 3 hours to make a table.

Step-by-step explanation:

Table and chair : 5 hours

Table and 3 chairs : 9 hours

(Table and 3 chairs) - (Table and chair) = (2 chairs)

9 hours - 5 hours = 4 hours

2 chairs : 4 hours / <u>1 chair : 2 hours</u>

Table and chair : 5 hours

Chair : 2 hours

Table: x hours

5 - 2 = 3

<u>Table : 3 hours</u>

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