welll...you have there written just one relationship...it is berween 280 and 4 hours...you have to figure out speed:

it is speed per hour
then you just connect time and speed:
- 140 - 2
- 280 - 4
- 350 - 5
- 420 - 6
- 560 - 8
- 700 - 10
Answer:
17
Step-by-step explanation:
you said that in the problem lol
The resulting fractions is 14/15
<h3>Solving equations</h3>
Given the expression shown below;
1/3 + 2/5(2 - 1/2)^2
Solve the expression in bracket
1/3 + 2/5(3/2)^2
1/3 + 2/5(9/4)
Multiply the fractions
1/3 + 18/20
Find the LCM
20+36/60
56/60
28/30
14/15
Hence the resulting fractions is 14/15
Learn more on fractions here; brainly.com/question/78672
#SPJ1
If you count the zeros it’s
one billionth