Answer:
£1045.57
Step-by-step explanation:
Using compound interest formula then

Where A= the future value of the investment/loan, including interest
P = the principal investment amount
r = the annual interest rate
n = the number of times that interest is compounded per unit t

Hence her amount t the end of 5 yrs is $1045.57
Answer:
y increases by 2
Step-by-step explanation:
Answer:
Step-by-step explanation:
So in our case, let assume 'x' as a common factor.
Thus,
4x + 5x + 7x = 5600;
16x = 5600;
x = 5600/16 = 350.
So,
4x= 350*4 =1400;
5x= 350*5 = 1750; &
7x= 350*7 = 2450.
Your answer is, 5600 = 1400+1750+2450 which is in ratio of 4:5:7.
If only it was in english i could of read it and gave you the answer