Respuesta :
(MARKING BRAINLIEST FOR THE ANSWER WITH AM EXPLANATION) If 3/10 of the people in a water aerobics class are over age 56 and 2/5 of the people in the class are under age 40, what fraction of the people in the class are either over 65 or under 40
Answer: 7/10 of the people in the class were either over 65 or under 40.
Step-by-step explanation:
2/5 = 4/10 people are under 40.
3/10 people are over 56.
3/10 + 4/10 = 7/10.
7/10 of the people in the class were either over 65 or under 40.
Hope this helps!