The cost difference between Deal 1 and Deal 2 for 50 downloads is $25.
Let's calculate the cost for each deal:
Deal 1: Pay $25 for 50 downloads.
Deal 2: Pay $1 per download.
For Deal 1:
Cost = $25
For Deal 2:
Cost =

Now, let's find the difference in cost between the two deals:
![\[ \text{Difference} = \text{Cost of Deal 2} - \text{Cost of Deal 1} \]](https://img.qammunity.org/2024/formulas/computers-and-technology/high-school/taen9b8vpmi1sazphwtgsdpf1z2wnr0umw.png)
![\[ \text{Difference} = \$50 - \$25 = \$25 \]](https://img.qammunity.org/2024/formulas/computers-and-technology/high-school/p173pb1f5bkl7cynajazplxrk2rdpocn78.png)
So, the correct answer is:
a) $25
The question probable may be:
A website offers two deals for downloading content: Deal 1: Pay $25 for 50 downloads. Deal 2: Pay $1 per download. What is the difference in cost between the 50 downloads using these two deals?
a) $25
b) $30
c) $35
d) $40