.Algebra formula help plugs and sockets
The formula for the total cost,C, of 15 plugs and sockets is:
C = 15(P + S)
Where P is the ocst of a plug and S is the cost of a socket.
Find the total cost of 15 plugs and sockets if plugs cost 40p and sockets cost 260p.
Really stuck on this algebra, please help.
I'm reaaaaaaaaaaalllllyy bad at it. :(