Final answer:
Valeria and Christina will both have the same number of signatures in x days. By solving the equation 26 + 6x = 53 + 3x, we can find how many days it will take for them to collect the same number of signatures.
Step-by-step explanation:
Valeria is currently collecting signatures at a rate of 6 per day, while Christina is collecting signatures at a rate of 3 per day. To determine when they will both have the same number of signatures, we can set up an equation:
26 + 6x = 53 + 3x
Where x represents the number of days. By solving this equation, we can find how many days it will take for them to collect the same number of signatures.