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genyjoannerubiera
30.11.2019 •
Mathematics
5: 3 =n: 7 solve for n.
(there fractions but i have to write them with : because i cant write fractions)
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Ответ:
you them cross multiply
5×7=35
3×X= 3x
35=3x
x(n)= 11.6
Ответ:
n = 35/3 or 11 2/3.
Step-by-step explanation:
5/3 = n/7
Cross multiply:
3n = 5*7
3n = 35
n = 35/3
Ответ:
1/12 = x/456
To solve for x, we can perform cross multiplication:
12x = 1(456)
12x = 456
Divide both sides by 12 to solve for x:
12x / 12= 456 / 12
x = 38
Therefore, the correct answer is Option 4: x = 38