Question

The total cost of 6 books and 4pencils is rupees 34 and that of 5 books and 5 pencils is rupees 30. The cost of each book and pencil in Rupees respectively is.
Please solve this questtion step by step . Please help me.​

Answer 1

One pencil be y rs

6x+4y=34..(1)

5x+5y-30..(2)

Multiply 1 with 5 and 2 with 6

30x+20y=170

30x+30y=180

(-) (-) (-)

-10y=-10

Y=1

Since 5x+5y=30

5x+5=30

5x=25

X=5

each pancil cost is 1 and each book cost is 5

Answer 2

Answer:

one book cost is 5 rupees only

one pencil cost is 1 rupee only

Step-by-step explanation:

Books

6×5=30

pencils

4×1=4

therefore 30+4=34

and also

Books

5×5=25

pencils

5×1=5

therefore 25+5=30

so please pick me as brilianist student