Question

please help me in this maths question? ​

Answer 1

Answer:

$Cost \: \: of \: \: pencil \: = Rs \: 10$

$Cost \: \: of \: \: eraser \: = Rs\:5$

$Cost \: \: of \: 12 \: \: pencil \: \: and \: \: eraser \: =$

$\: = \: 12 \times 10 + 12 \times 5$

$= 12(10 + 5)$

$= \: 12(15)$

$= \: Rs \: \: 180$

Answer 2

Answer:

$Cost \: \: of \: \: pencil \: = Rs. \: 10$

$Cost \: \: of \: \: eraser \: = Rs.\: 5$

$Cost \: of \: 12 \: pencil \: and \: eraser$

$= \: 12 \times 10 + 12 \times 5$

$= 12×10+12×5$

$= 12(10 + 5)$

$= \: 12(15)$

$\pink{= \: Rs. \: \: 180}$