John needs $10,000 to buy a used car. How long does it take for his investment of $5,000 to reach $10,000 in value if it is invested at 8% compounded weekly? Round your answer to the nearest year.

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step-by-step explanation:

d is the answer

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

part a: 1.08

part b: 27.59