Rinjo
22.02.2021 •
Mathematics
Write the following ratio using two other notations 8 to 7
Notation one:
Notation two:
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Ответ:
31 and 53
Step-by-step explanation:
let the two parts be a and b, then the following equation describes the problem:
1) 84 = a + b
the condition on a and b is:
2) a = 2b - 9
Combining equations 1 and 2:
84 = (2b - 9) + b
84 = 3b - 9
93 = 3b
b = 31
a = 84 - b
a = 53