Question

between which years did the largest decrease in children taking swimming lessons occur? number of children in hundreds taking swimming lessons year a) 1990 - 1991 b) 1991 - 1992 c) 1992 - 1993 d) 1993 - 1994

Explanation:

Step1: Determine number of children for each year

1990: 200, 1991: 300, 1992: 400, 1993: 200, 1994: 300

Step2: Calculate decreases between years

1990 - 1991: $300 - 200=100$; 1991 - 1992: $400 - 300 = 100$; 1992 - 1993: $400-200 = 200$; 1993 - 1994: $300 - 200=100$

Answer:

C. 1992 - 1993