Answer:
30
Step-by-step explanation:
16 days is 16/80 = 1/5 the time for 6 builders, so the number of builders required is 1/(1/5) = 5 times that:
5 × 6 builders = 30 builders
Hey there!
2/3 *30/1= 30/3= 10 and 3/3=1 so 2/1*10/1= 20
So the product is 20
The answer is b 60 degrees <span />