Score: 0 of 1 pt 3 of 14 (2 com
1.5.3
When a number is decreased by 30% of itself, the result is 21. What is the number?
The number is

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?