You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound? a
$8 per pound
b
$5 per pound
c
$35 per pound
d
$0.125 per pound

Plzzzzzzzzzzzzzzzzzzzzzzzzz will give brainliest

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.