book
Maths Puzzle
Numerical Ability
hello! i need help
Read Solution (Total 0)
book Other Question
A flag pole 20 feet high casts a shadow of 5 feet. At the same time, a nearby building casts a 20-foot shadow. How many feet high is the building? ( the ground is level and both the building and the flagpole are perpendicular to the ground)
i really need ur help solving this equation: 21x+3=121