Please answer question no. 4 and 5

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2.36 bar = 2.3636
100 x = 236.3636
100 x - x = 234
99 x = 234
x = 234/99 = 78/33 = 26/11
0.23 bar = 0.2323
100 x = 23.2323
100 x - x = 23
99 x = 23
x = 23/99
26/11+23/99=234+23/99=257/99
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0.38 + 1.27 = 1.65(bar on 65)

Let,

x = 1.656565.... _________(1)

Multiply with 100

100x = 165.6565... _______(2)

Now,

Equation 2 - equation 1

we get,

99 x = 164

x = 164/99

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