(13•4) + (3•8) +3 = 79
The total cost is $79
Answer:
Ethan rollerbladed each day
kilometers.
Step-by-step explanation:
Given:
Ethan rollerbladed a total of 623 km over d days.
Now, to find the kilometers Ethan rollerblade each day.
Total number of distance rollerbladed = 623 km.
Total number of days = 
<u><em>As, Ethan rollerbladed each day the same distance.</em></u>
Now, to get the distance Ethan rollerbladed in each day we divide total number of distance rollerbladed by total number of days:


Therefore, Ethan rollerbladed each day
kilometers.
Answer: Both plants grow at same rate ie., 4/3 cm per day
Step-by-step explanation:
8 cm = 6 days
1 day = 1/6 x 8 = 4/3 cm
12 cm = 9 days
1 day = 1/9 x 12 = 4/3 cm
Answer:
2√3
Step-by-step explanation:
√3x4 = √12 = 2√3
Answer:
`15
Step-by-step explanation: