Question 38
Ahmed walks 2 km at a speed of *x* km/h.
He then walks a further 3 km at a speed of (*x* + 1) km/h.
The total time he takes to walk the 5 km is $1\frac{1}{4}$ hours.
**(b)** (In part (a) it was shown that $5x^2 - 15x - 8 = 0$.)
Find the value of *x*.
Show all your working and give your answer correct to 2 decimal places.
He then walks a further 3 km at a speed of (*x* + 1) km/h.
The total time he takes to walk the 5 km is $1\frac{1}{4}$ hours.
**(b)** (In part (a) it was shown that $5x^2 - 15x - 8 = 0$.)
Find the value of *x*.
Show all your working and give your answer correct to 2 decimal places.
