tolong dijawab... pliss... untuk besok

[tex]r = \frac{4}{5} \times 45 = 35 \: r \\ f = \frac{9}{5} \times 45 = 81 \: f + 32 = 113f \\ \\ c = \frac{5}{4} \times 36 = 40c \\ f = \frac{9}{4} \times 36 = 72f + 32 = 104f [/tex]