P
fllustrative
iva mathema
7. a student on the cross-country team runs 30 minutes a day as a part of her training,
write an equation to describe the relationship between the distance she runs in
miles, d, and her running speed, in miles per hour, when she runs:
a. at a constant speed of 4 miles per hour for the entire 30 minutes

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?