Answer:
300 m/min
Step-by-step explanation:
Using the general formula of d = rt, where d = distance, r = rate and t = time, we can solve for the missing variable (r, or speed). Given Tara's distance of 1600 m and her total time of 5 minutes and 20 seconds, first convert her time into just minutes:
5 
5
1600 = r(16/3)
Multiply both sides by reciprocal of 16/3: 3/16(1600) = r(16/3)(3/16)
Solve for 'r': 300 meters per minute
The rate of change is 10.5/3
It cost $3.50 per yard
The total cost for 8 yards is $28
If the total cost of buying fabric is $42 the amount of yards that were bought would be 12
Answer:
a: The percentage change from 1/3 to 2/3 is 100 %
b: The percentage change from 1/3 to 1/6 is 0 %
Step-by-step explanation:
use this formula:
((y2 - y1) / y1)*100 = your percentage change
(where y1=start value and y2=end value)
((2/3 - 1/3) / 1/3) * 100 = 100 %
_________________________________
((y2 - y1) / y1)*100 = your percentage change
(where y1=start value and y2=end value)
((1/6 - 1/3) / 1/3) * 100 = 0 %
