Alex invests £4000 for 7 years. his investment pays compound interest of x% per annum. at the end of the 7 years alex’s investment is worth £5263.73 work out the value of x

 x=4% i.e.

Rate of interest = 4% per annum.

Step-by-step explanation:

Since we have given that

Amount Alex invested = £4000

Number of years = 7

Rate of interest = x%

Amount she received at the end of 7 years = £5263.73

We will use " Compound Interest " formula :

Hence, x=4% i.e.

Rate of interest = 4% per annum.