Ratio & Proporations

if sally's hamburger was $15.6 dollars what is the tax if the tax is 20% of the meal.

23% of 35

A group of 7 PEARS is priced at $4.20. What is the cost of each pair?

19 is what percent of 46

18 is 30% of what number?

what is the scale factor for 10,15,30 and 20,30,60

The stock market was at 20,765. Now it is 20,450. What is the percent decrease?

15 is 25% of what number?

Jack's hamburger cost $8.95. The tax was 6%. How much did Jack pay with tax for the burger?

what is the scale factor for 12,24,15 and 36,72,45