A piece of wire was cut in the ratio 4:7 . The longer piece was 42 cm . Find the length of the shorter piece. Use RDW to solve . Use RDW strategy to solve .

Answer 1

long piece is 6*7
other piece is 6*4

Maybe you can massage that into RDW.

Answer 2

A piece of wire cut into two pieces in the ratio 5:9.The shorter piece was 25cm.Find the length of the longer piece