Final answer:
Children between the ages of 3 and 5 with employed mothers mostly receive formal education like preschool and kindergarten in the U.S., as part of government child care subsidies and early education programs.
Step-by-step explanation:
The majority of children between the ages of 3 and 5 years old who have employed mothers in the United States receive formal education such as preschool and kindergarten programs. Childcare, especially for working parents, remains a critical issue in the U.S. To address child care and economic participation challenges, the U.S. government implements policies that include child care subsidies and early education programs, promoting increased work opportunities for women. Moreover, such policies aid in the preparation of children entering the K-12 education system, with programs like the federal Head Start aimed at families with limited financial resources.