write a ratio of 6 dozen to 2 gross

The cost of 4 dozen pencils, 3 dozen pens and 2 dozen erasers is Rs. 60. The cost of 2 dozen pencils, 4 dozen pens and 6 dozen erasers is Rs. 90 whereas the cost of 6 dozen pencils, 2 dozen pens and 3 dozen erasers is Rs. 70. Find the cost of each item per dozen by using matrices.

The cost of 4 dozen pencils, 3 dozen pens and 2 dozen erasers is Rs 60. The cost of 2 dozen pencils, 4 dozen pens and 6 dozen erasers is Rs 90, whereas the cost of 6 dozen pencils, 2 dozen pens and 3 dozen erasers is Rs. 70. Find the cost of each item per dozen by using matrices.

Write the ratio of second quantity of first quantity in the reduced form: 5 dozen pens, 120 pens.

Write the ratio of second quantity of first quantity in the reduced form: 5 dozen pens, 120 pens.

Write the ratio of first quantity to second quantity in the reduced form. 5 dozen, 120 units