show error when the total value of the multiple choice option is below 100

We are trying to make a field by where you pick three multiple choice boxes where the options must add up to 100 or more. so below if all golfers have numbers beside them how do i get it to give an error if the three picks do not combine to 100 or more?

You may assign values to your multiple field options.

Guide:https://www.jotform.com/help/301-how-to-assign-calculation-value

You may then use the form calculation widget to calculate the total.

https://www.jotform.com/widgets/calculation

Once you have the total, you can use condition to show an error message or hide the submit button.

Guide:https://www.jotform.com/help/316-how-to-show-or-hide-fields-base-on-users-answer

Please check it out and let us know if this fits your requirements.