If Joy has 67 cupcakes and Lizzy has 89 cupcakes what is the ratio of the two numbers?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

What is the anwers for 9+2x=5x-3-x

3x + 4y = 5 x- 3y = -7 solve by substitution