When you estimate, you round the decimal up.3.9 rounds up to 4 ,5.3 rounds up to 5.
4 times 5 equals 20.The actual answer is 20.67.
Ur answer would be: 3/4. In decimal form it would be 0.75.
5n+5p is the right answer.
Just solve 5.5x = 500 where x = # of visitors.
Answer is 90.9 but you round down. So 90 visitors.