Answer:
1.5 hours
Step-by-step explanation:
when norman left and 30 minutes passed he had traveled 20mph
norman. earl
30 min passed. 20mph. 0mph
1 hr passed. 40mph. 30mph
1 hr 30 min. 60mph. 60mph
Divide 9 from 5 and you should get the range
Answer is underlined
BD: 16.8+50.4= <u>67.2 mm</u>
LM: 4-2.6= <u>1.4 cm</u>
The answer would be 4.6 x 10^-5
