Answer:
D
Step-by-step explanation:
The volume of Model A is 48 cm³. The volume of Model B is 40 cm³. 48+40=88.
Step-by-step explanation:
64/(1+1+2)
= 64/4
= 16
1 : 1 : 2
mark = 1×16 = 16
dave = 1×16 = 16
ralph = 2×16 = 32
Answer: B
Step-by-step explanation: