Tanvis birthday part will cost her $28 if she obvious 4 guests. If she invites 8 guests, it will cost her $56. What is the cost per guest?
To find the cost per guest, we need to calculate the cost of the party divided by the number of guests.
For Tanvi's birthday, the cost of the party with 4 guests is $28. Therefore, the cost per guest is $28 / 4 = $<<28/4=7>>7.
If she invites 8 guests, the cost of the party is $56. Therefore, the cost per guest is $56 / 8 = $<<56/8=7>>7.
So, the cost per guest is $7.