Answer:

bhai mujhe brainliast banalo meh kitne din se koshish kar raha hu mujhe koi bhi brainliast nahi bana raha

Question:

rahul and rajat go for shopping together rahul bought 12 pens and 13 notebook and rajat bought 15 pens and 14 notebook each pen costs rs x and notebook costs rs y , what is their combined shopping costs?

Information given:

Cost of each pen= rs x

Cost of each notebook= rs y

Evaluation:

Rahul buys 12 pens and 13 notebooks which is rs 12x and 13y

Rajat buys 15 pens and 14 notebooks which is rs 15x and 14y

Therefore,

Total combined shopping costs= 12x + 13y + 15x + 14y

= 27x + 27y

Total combined shopping costs= rs 27x + 27y