babythomas4
babythomas4
06-04-2018
Mathematics
contestada
what is the sum of 15+7.50n=75
Respuesta :
Аноним
Аноним
06-04-2018
75 - 15 = 60
60 / 7.5 = 8
n = 8
Hope this helped☺☺
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carson39
carson39
06-04-2018
N=8
7.50 x 8 = 60
60 + 15 = 75
Work backwards it’s easier!
Common sense tells you that if 15 plus something equals 75 then that something has to be 60
You then see that 7.50 has to be multiplied by something to get you 60 so simply guess and check!
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