the total cost of 12 pens and 5 pencils are equal to Rs. Also the cost of 1 pencil is Rs. 5 less than the cost of 1 pen. What will be the cost of 8 pens and 9 pencils...? Mcqs

the total cost of 12 pens and 5 pencils are equal to Rs. Also the cost of 1 pencil is Rs. 5 less than the cost of 1 pen. What will be the cost of 8 pens and 9 pencils...?

(A) 78

(B) 89

(C) 91

(D) 97