Zach is having a birthday party at an amusement park. tickets cost $28 each, but zach's mom has a coupon for half-off. both of zach's parents are going plus 8 children including zach. what will be the total ticket cost for the group?

$140

Step-by-step explanation:

Given: Ticket cost $28 each. Zach's mom has a coupon for half-off. Both of Zach's parents are going plus 8 children including Zach.

To find: The total ticket cost for the group.

Solution:

We have,

Number of children going is 8, and two parents. So, total number people going at the amusement park is

Cost of each ticket is $28

So, total cost

It is given that Zach's mom has a coupon for half-off.  

After applying the coupon, the total cost is

Hence, after applying the coupons the total ticket cost for the group is $140.