translate the given phrase into an algebraic expression and simplify be possible the quotient of 12 and the product of 3 and 4​

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15