Answer:
B. A(n)= 6.3n
Step-by-step explanation:
6×3=18
18×3=54
54×3=162
Answer:
5.5 hours
Step-by-step explanation:
Given that :
Speed of A = 60 kmphr
Speed of B = 80 kmphr
After what time will distance = 770 km
Speed * Time = Distance
Let time = x
Distance A + Distance B = 770
(60 * x) + (80 * x) = 770
60x + 80x = 770
140x = 770
x = 770 / 140
x = 5.5 hours
Answer:
- 10.2n - 1
Step-by-step explanation:
You need to add the expressions:
- 2.4n - 3 + (- 7.8n +2)
- 2.4n - 3 - 7.8n + 2
- 10.2n -1
<h2>Question :</h2>
<h3>Solve the proportion : </h3>

<h2>Answer :</h2>






Hence, The solution is 