Four friends agree to save money for a graduation road trip they decided that each of them will put $.25 in the phone on the first day of maine $.50 on the second day and $.75 on the third day and salon at the end of may there will be blank in

At the end of May, the friends will have $496 with them.

Step-by-step explanation:

This question is based on arithmetic sequence.

Here a1 =

a2 =

a3 =

So,

(a1=1, a2=2, a3=3, a4=4........)

The sum of the arithmetic sequence:

=>

=> an=31

Now putting the value of an in the sum formula:

dollars

So, at the end of May, they will have $496 with them.