there are 18 male students and 13 female students in form 1 orchid. each male student pays RM 8 for each sports shirt and each female student pays RM 11 for a sports shirt. calculate their total payment

So the answer is 287 and here is why: you get the number of male whitch is 18 and you times that by the payment of 8. and you get 144! Then you get the number of females whitch is 13 then get the rm 11 then times that and you get 143! You add those numbers 144+143 and get 287.

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