Question

2/5 acres in 7/8 days

Answer 1

Given that,

A group of workers can plant 2/5 acres in 7/8 days.

To find,

The unit rate in acres/day.

Solution,

To find unit rate, divide acres and days as follows:

$R=\dfrac{\dfrac{2}{5}}{\dfrac{7}{8}}\ \text{acres/days}\\\\=\dfrac{2}{5}\times \dfrac{8}{7}\\\\=0.45\ \text{acres/days}$

So, the unit rate is 0.45 acres/days.