Unit rates 2NB You've won a new prize! Go to your game board. Shivani's retirement party will cost $81 if she invites 27 guests. If there are 28 guests, how much will Shivani's retirement party cost? Solve using unit rates. $

1 answer

To find the cost of Shivani's retirement party with 28 guests using unit rates, we can start by determining the cost per guest based on the information provided.

  1. Calculate the cost per guest: \[ \text{Cost per guest} = \frac{\text{Total cost}}{\text{Number of guests}} = \frac{81}{27} \] \[ \text{Cost per guest} = 3 \] So, the cost per guest is $3.

  2. Now calculate the total cost for 28 guests: \[ \text{Total cost for 28 guests} = \text{Cost per guest} \times \text{Number of guests} \] \[ \text{Total cost for 28 guests} = 3 \times 28 = 84 \]

Therefore, if there are 28 guests, Shivani's retirement party will cost $84.