Answer:
The cost for one pen is A. $1.50
Step-by-step explanation:
Distance = rate*time, or
distance = (average speed)* time, so
average speed = distance/ time.
average speed = 205 mi / (3/12) h = 205 mi/ (1/4)h = 205*4 mi/h=
= 820 mi/h
It is looks to high for speed of the truck,
probably time should be 3.12 h,
then
average speed = 205 mi / (3.12) h ≈ 65.71 mi/h.
That looks close to real life.
Answer:
Step-by-step explanation:
5 * 8y = 40y
8 * 5 = 40
40y - 40 IS equal to 40y - 40