Question

Jack works eight hours a day he is paid €6.50 per hour. He saves half of his pay how many days will he have to work to save €780?

Answer 1

Answer:

$\frac{8x \times 6.5}{2} = 780$

$8x \times 6.5 = 780 \times 2 \\ 8x \times 6.5 = 1560 \\ 52x = 1560 \\ x = 15$