My answer that I got was $500.00
Answer:
70 students
Step-by-step explanation:
As, 30% Mike surveyed
And these 30% are 21 students
So 30% of X = 21
= 30/100 x X = 21
= 30X = 2100
So X = 2100/30
X = 70
So 70 students were surveyed
8*10*14 = 1120
10*8*10 = 800
1120+800 = 1920
volume =1920 cm3