Amukelani has a basic cellphone contract that costs him R100 per month plus R1.70 per minute for calls during peak time;with his contract he also gets R100 free anytime minutes. his sister imo has a pay as you go contract with no monthly rental. imo pays R2,25 minute for peak time calls.
calculate their respective cost totals if they each make 340 minuts worth of calls in a month.