Find the unit rate for 780 miles in 3 days

260 miles per day.

Step-by-step explanation:

We have to calculate the unit rate for 780 miles in 3 days.

We can solve this question by unitary method.

∵ In 3 days = 780 miles

∴  In 1 day =

                = 260 miles.

260 miles per day.

yes I had explained

Step-by-step explanation:

The mole is a key unit in chemistry. The molar mass of a substance, in grams, is numerically equal to one atom's or molecule's mass in atomic mass units. ... A balanced chemical reaction gives equivalences in moles that allow stoichiometry calculations to be performed