![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
From previous exercise problem 34, rewrite the table
\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
| \
d \ | \
t = d/0.21 \ | \
t \ | \
(d, t) \ |
| \
0 \ | \
0/0.21 \ | \
0 \ | \
(0, 0) \ |
| \
1 \ | \
1/0.21 \ | \
4.76 \ | \
(1, 4.76) \ |
| \
2 \ | \
2/0.21 \ | \
9.52 \ | \
(2, 9.52) \ |
| \
3 \ | \
3/0.21 \ | \
14.28 \ | \
(3, 14.28) \ |
\
Graph for the equation d = 0.21t is
\![\"linear](\"/userfiles/image/Library/Algebra1/graph_linear_equation_d=0_21t.gif\")
Observe the graph and find time to hear thunder from storm at 3 miles is 14.28 seconds.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Time to hear thunder from storm at 3 miles is 14.28 seconds.