Pre-AlgebraSuperchallenge
Pre-Algebra · Superchallenge problem
A plant's height doubles each week, and then cm is trimmed off at the end of the week. After two full weeks of this, the plant is cm tall. What was its height at the very start?
A plant's height doubles each week, and then cm is trimmed off at the end of the week. After two full weeks of this, the plant is cm tall. What was its height at the very start?