The best way to solve this is to set up a proportion
84 21
---- = ------
x 100
then you cross multiply and divide
100 × 84 = 8400 ÷ 21 = 400
84 is 21% of 400
Answer:
Are you sure you're not missing any brackets? Cause if you do, the answer might be different
Answer:
2,2 2,7 5,7
Step-by-step explanation: