Estimate the percent of decrease. original population: 1,503 new population: 1,356 a. 1% b. 10% c. 13.5% d. 15%

Percentage in decrease = 10 %

Step-by-step explanation:

Given  : Original population: 1,503  and New population: 1,356.

To find : Estimate the percent of decrease.

Solution : We have given

Original population: 1,503

New population: 1,356.

Value decrease = original population - new population.

Decrease = 1,503    - 1,356

Decrease population =  147

Percentage in decrease = .

Percentage in decrease = .

Percentage in decrease = .

Percentage in decrease = 9.78 %

Estimate = 10 %.

Therefore,

Percentage in decrease = 10 %

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

step-by-step explanation:

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