Answer: a. 45 = k
b. d/t = 45
c. d = 45t
<u>Step-by-step explanation:</u>
The constant of proportionality (k) equals y divided by x if it is a direct variation. In the given problem, y is represented by distance (d) and x is represented by time (t).

Answer:
$660
Step-by-step explanation:
15x40x1.10=660
Step-by-step explanation:
Distance Chase thought he travelled = 40 feet
The actual distance travelled by him = 32 feet
Error % = (40 - 32)/ 100
= 8/100
= 0.08
Answer:
28.35 lb. since it has 2 decimal places
3/7 = 0.43 (approx.)
4/9 = 0.44 (approx.)
Hence, 4/9 is bigger.