Sandra and bernice are starting a nutrition and exercise program that will last 12 weeks. sandra is starting at 150 pounds and plans to lose 1 pound a week. bernice is starting at 135 pounds and plans to lose 1/2 a pound a week. when during the program will bernice and sandra weigh the same?

They will not have the same weight during the program

Step-by-step explanation:

Let x be the number of weeks.

Sandra:

Sandra is starting at 150 pounds and plans to lose 1 pound a week.

Weight after x weeks:

Bernice:

Bernice is starting at 135 pounds and plans to lose 1/2 a pound a week.

Weight after x weeks:

Weights must be the same, so

Since 30 weeks is more that 12 weeks (the duration of the program), they will not have the same weight during this program.