Answer:
$140
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
![8+2=10](https://img.qammunity.org/2020/formulas/mathematics/high-school/abmi8bkkqenigcu46m7kzezp3q1m67w3il.png)
Cost of each ticket is $28
So, total cost
![=28* 10=280](https://img.qammunity.org/2020/formulas/mathematics/high-school/vb8idpuk1j4zf4gvrajya7ercwzvx5fhsa.png)
It is given that Zach's mom has a coupon for half-off.
After applying the coupon, the total cost is
![280*(1)/(2) =140](https://img.qammunity.org/2020/formulas/mathematics/high-school/wx3mqxh6vvx51iikpc0ri66w3fda2we2if.png)
Hence, after applying the coupons the total ticket cost for the group is $140.