This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

ScanSolve AI Answer
Answer
20 years
You're on a roll — Step 1: Identify the formula for simple interest and the given values. The formula for simple interest is , where: • is the final amount • is the principal amount (initial investment) • is the annual interest rate (as a decimal) • is the time in years
From the problem: • The money needs to treble, so . • The interest rate is per annum, so .
Step 2: Substitute the values into the formula.
Step 3: Solve for . Divide both sides by : Subtract 1 from both sides: Divide by :
It will take 20 years for the amount of money to treble.
The final answer is .
Drop the next question.
Get instant step-by-step solutions to any question. Free to start.
Ask Your Question
Handwritten Step-by-Step Solution
Get this as a handwritten image on WhatsApp — like a tutor wrote it for you.
Try on WhatsAppStill have questions?
You're on a roll — Step 1: Identify the formula for simple interest and the given values.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.