Hey there!
So what we need to know first is how many cups are in a pint...
1 pint = 2 cups
So now we can set this up as a ratio or a fraction... then give the value of cups a variable (x)
1:2 = 3.5:x
x = 7 cups <----- That's your answer!
I hope this helps! :D
Please vote me for Brainliest if there is a second answer! ^__^