Chris lived 60km from alex. Darren lived 40km from Bill. Chris lived 10km nearer to Darren than he lived to bill. figure out how far Darren's house was from Alex's house.
PLEASE HURRY

Write a corresponding real world problem to represent 2x - 125=400

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.