Answer:
decrease of 64.3%
Step-by-step explanation:
Percentage change can be calculated from ...
pct change = ((new value)/(original value) -1) × 100%
= (50/140 -1) × 100%
= (-9/14)×100% = -64 2/7% ≈ -64.3%
The price of crude fell about 64.3% in that period.
1/3 of a lap per 1 minute, 3 minutes per lap
Area is equal to length times width, so 1.3x would represent the area. B is the answer.