Eric takes a train to his parent’s house 320 miles away. if the trip takes 4 hours, what is the unit rate of the train?

80 miles per hour

Step-by-step explanation:

Eric takes a train to his parent’s house 320 miles away.

If the trip takes 4 hours.

A train covers 320 miles in 4 hours.

The unit rate of train is number of miles cover in 1 hour.

Using formula:

where, distance = 320 miles

Time = 4 hours

Hence, The unit rate of train is 80 miles per hour.

x+y=90

x=30-y=x

step-by-step explanation:

if you understand you will get the answer

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.