|x-600| <= 50
550 <= x <= 650
The recommended daily intake (RDI) of a nutritional supplement for a certain age group is 600 mg/day. Actually, supplement needs vary from person to person. Write an absolute values inequality to express the RDI plus or minus 50 mg and solve it.
3 answers
|x-600| <= 50
550 <= x <= 650
550 <= x <= 650
Good question Jon