A dump truck weighs 11.25 tons when empty . A conveyor belt puts sand into the truck at a constant rate of 1/4 ton per minute until it is full. Let *T* represent elapsed time in minutes and w represent weigh of the truck after *t* minutes . Write an equation for w in terms of t .

Rewrite so the subject can be y in the formula d=m-y/y+n

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?