Respuesta :

Jinwon
First one is 7.73 (23.19/3)
Second one is 14.04 ((19.71/7.3) x 5.2)
choixongdong
#5

23.19 / 3 = 7.73
answer is b. 7.73

#6
QR/5.2 = 19.71  /  7.3
QR = 5.2 (19.71)   /  7.3
QR = 14.04