Rhonda bakes p pies. Mary bakes 3p pies. If together they bake 20 pies, how many pies does Mary bake?Rhonda bakes p pies. Mary bakes 3p pies. If together they bake 20 pies, how many pies does Mary bake?

I would've thought p+3=20 so 20-3=17 making it p=17 but not sure that makes sense.

2 answers

p + 3p = 20

4p = 20

p = 5
23