arianawelsh123l
30.10.2021 •
Mathematics
If x : y : z = 2 : 4 : 7, find the ratio (x + y) : (y + z). *
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Ответ:
6:11
Step-by-step explanation:
(2+4):(4+7)
(6):(11)
6:11
Ответ:
Because 7, 2 times is 14 and 14+3 is 17 so 17/7 is the answer