This is your answer:
if then number is $499.49 that would mean it rounds down to $499.00
but in your case $499.76 rounds to $500.00
(Remember .50 and up goes up!)
Therefor your answer is $500.00
No. If you divide 69 by 100 you would get 0.69. If you divided 6 by 10 you would get 0.6. Therefore 69/100 and 6/10 is not equivalent.
60%, she asked 10 students and 6 of them had less than 16. 10/6= .6
Answer:
and 
Step-by-step explanation:
Options

Required
Select the unit rates
Unit rate involve two items where the first item being measured can be any positive number, but the second item must be measured in units (i.e. 1)
For clarity:
If
represents unit rate, then 
Having said that:
Only
and
satisfy the condition of unit rates; others are not because they have a denominator other than 1