find the ratio ofthe price of a pencil tothat of a ball pen if pencil cost rs 96 per score and ball pen cost rs 50.40per dozen
1 score =20
Price of 20 pencils =Rs 96
Price of 1 pencil=Rs 96/20=Rs 4.8
1 dozen =12
Price of 12 pencils=Rs 50.40
Price of 1 pencil=Rs 50.40/12=Rs 4.20=Rs 4.2
Ratio=4.8:4.2
= 4.8*10 : 4.2*10
=48:42
=24:21
=8:7
Therefore the required ratio =8:7
Price of 20 pencils =Rs 96
Price of 1 pencil=Rs 96/20=Rs 4.8
1 dozen =12
Price of 12 pencils=Rs 50.40
Price of 1 pencil=Rs 50.40/12=Rs 4.20=Rs 4.2
Ratio=4.8:4.2
= 4.8*10 : 4.2*10
=48:42
=24:21
=8:7
Therefore the required ratio =8:7