Question

cost of 10 pens and 14 pencils is rs 290 and cost of 8 pens and 7 pencils is rs 190. cost of each pen and pencil is ?
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Answer 1

Answer:

pens = 15 , pencils = 10

Step-by-step explanation:

let pens be....... ---> x

& pencils be ......--> y

so the equations are

10x+14y=290

8x+7y = 190

so after solving the equations

(x,y)= (15,10)