Help, please We invest $2500 in an account that pays a simple interest of 3% each year. How much interest is earned after 10 years?

The interest earned after 10 years is $
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The nature park has a pride of 5 adult lions and 3 cubs. the adults eat 8 pounds of meat each day and the cubs eat 4 pounds. how much meat do the cubs and lions eat?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?