Respuesta :
the answer is 30 because 1/8 of 40 is 5 so 40-5 = 35 and 1/7 of 35 is 5 so 35-5 = 30
Answer:
30
Step-by-step explanation:
Total turnover = 40
Son = 1/8×40 = 1×5 = 5
Amount left after son finished = 40-5 = 35
Husband = 1/7×35 = 1×5 = 5
Amount left after husband finished = 35-5 = 30