Answer: B) 840
Step-by-step explanation: 21/30 is how much students prefer to go swimming during summer. If there is 1200 students in total, the simple way is to figure 21/30 of 1200 which is 840.
Answer:
B. 840
Explanation:
21 is 70% of 30 and 70% of 1,200 is 840.
3.4m questions
4.3m answers