Answer: The shirt originally cost 125 dollars.
Step-by-step explanation: The shirt on sale is 25% off. So first multiply 25 by 5 and you get 125. So 125 is the originall price. Her final cost is 25 dollars. Last step: 125 divided by 5 equals 25 dollars.
Answer:
A
Step-by-step explanation:
The first answer is correct because we have a decay factor.
The sample is losing mass, so the number that is being multiplied by a power of x must be less than 1.
If the second answer were used, then the sample would be gaining mass.
Answer:
x+1
Step-by-step explanation:
1 second = 2 megabytes

2 seconds = 4 megabytes
Step-by-step explanation:
Given,
Time taken to download 5 megabytes =
seconds

Multiplying both sides by
to find unit rate

1 second = 2 megabytes




2 seconds = 2*2 megabytes
2 seconds = 4 megabytes
Keywords: fraction, multiplication
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$6.50 per hour. 42.25/6.5=6.5