gabby11653
gabby11653
02-02-2020
Mathematics
contestada
Please help me, I will award brainliest!!
Respuesta :
graylynrhee
graylynrhee
02-02-2020
let's say x = hours washing cars and 13-x = hours walking dogs.
so 10*(x) + 9*(13-x) = 122, which is 10x + 9(13-x) = 122. that would be your system.
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