Question

9. 20 + 13 up on 15 + 27 upon 30

Answer 1

$9.2 + \frac{13}{7 } + \frac{27}{30} \\ \frac{9.2 \times 30}{30} + \frac{13 \times 2}{15 \times 2} + \frac{27}{30} \\ \frac{276}{30} + \frac{26}{30} + \frac{27}{30} \\ \frac{276 + 26 + 27}{30} \\ \frac{329}{30} \\ 10.966$