Set up a proportion!
40 minutes / 5 holes = m minutes / 20 holes
Cross multiply.
800 = 5m
m = 160.
It will take him 160 minutes to dig 20 post holes.
Good luck Fabian!
Hope this helps
Answer:
% increase =
% decrease =
Step-by-step explanation:
Percentage Increase:
Let there be an original number. If it increased to a certain value we can calculate the percentage increase value with the help of following formula:
% increase =
Percentage Decrease:
Let there be an original number. If it decreases to a certain value we can calculate the percentage decrease with the help of following formula:
% decrease =
Answer:
Approximately normal
Step-by-step explanation:
Answer:
2+2=4
Step-by-step explanation: