According to texas food safety regulations, how often should equipment used to prepare raw meat be cleaned?

That answer is wrong, the correct answer is Every fours hours. The lesson says, "Equipment used to prepare raw or other potentially hazardous foods must be cleaned every FOUR hours."

This is on the 5.05 lesson 3: preventing food Hazards, Its towards the end

1 true

2 true

and 3 true im assuming these are true or false. hope this