<h2>
The required "option A) 20" is correct.</h2>
Step-by-step explanation:
Let x be the smaller than 4 ×
.
To find, the number of times smaller is 2 ×
than 4 ×
= ?
∴ x = 
= 2 ×
× 
Using the identity,

= 2 × 
Using the identity,

= 2 × 
= 2 × 10
= 20
Thus, the required "option A) 20" is correct.
Answer:
7 is answer
Step-by-step explanation:
Sorry but to fully understand and answer this question would need to show us the complete question with chart. plz :)
Answer:
48.5 m/s
Step-by-step explanation:
291/6 = 48.5