Cynthia invests some money in a bank which pays 5% compound interest per year
She wants it to be worth over £8000 at the end of 3 years
What is the smallest amount, to the nearest pound, she can invest?​

£1200

Step-by-step explanation:

£8000 divide by 5% = 400

£400 times 3 = £1200

3

step-by-step explanation:

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2