Respuesta :

Answer:

15

Step-by-step explanation:

** For some reason, it won't let me add the first sentence, as it thinks there are swearwords??  So I have taken a screenshot and attached it.**

Now we just have to solve to find [tex]C[/tex]

        [tex]F'=F+1[/tex]

[tex]2C+30=\frac{9}{5} C+32+1[/tex]

       [tex]\frac{1}{5} C=3[/tex]

        [tex]C=15[/tex]

To confirm, substitute [tex]C = 15[/tex] into:

[tex]F=\frac{9}{5} \times 15 + 32 = 59[/tex]

[tex]F'=2 \times 15 + 30 = 60[/tex]

So when [tex]C=15[/tex], [tex]F'[/tex] is one more than [tex]F[/tex].

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