Question 37
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.
**(a)** Show that $5x^2 - 15x - 8 = 0$ .
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.
**(a)** Show that $5x^2 - 15x - 8 = 0$ .
