A plane travels at a speed of 212 mph. b) By rounding 212 to 1 significant figure and using your answer
to a) part (ii), work out an estimate for the number of seconds the plane
takes to travel 1 mile.
200
(1)
c) Is your answer to part b) an underestimate or an overestimate?
16.98

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

answer: do we write it

step-by-step explanation: