"According to the 2010 Dietary Guidelines for Americans, for those who need to lose weight or have lost weight and want to keep it off, minutes of moderate-intensity aerobic activity per week is recommended."

150

Explanation:

The Dietary Guidelines is known to have been designed for professionals to help all individuals ages, most especially, 2 years and older and their families consume a healthy, nutritionally adequate diet.

The primary or main purpose of the Dietary Guidelines is targeted to informing the development of Federal food, nutrition, and health policies and programs.

One of the recommendations of the 2010 Dietary Guidelines for Americans is to switch to fat-free or low-fat (1%) milk. This is because, the reduced-fat dairy products supply healthy amounts of protein and calcium while limiting saturated fat.

In this guidelines also, it is recommended that 150 minutes of moderate- intensity aerobic activity should be done weekly.

150minutes

Explanation: The recommended Dietary Guidelines Americans who had lost weight or needed to loose weight was 150 minutes of moderate-intensity aerobic activity per week, Moderate-intensity activities are activities like walking, dancing, biking e.t.c. this activities are fast and strenuous enough to enable you loose weight.