Answer:
6
Step-by-step explanation:
First students should be taught to count numbers and make links between the numbers. Then they should learn to identify and create different representation of numbers and learn the concept of zero.
read and write numbers and to count, sort and order them. That way they can compare the size of two sets. And than students should be taught to add and subtract numbers. Adding can be learned by grouping numbers, while subtracting by moving apart given numbers.
Answer:
Amount of sales
Step-by-step explanation:
The dependent variable also called the measured or predicted variable is simply the variable obtained due to inputs in of the independent variable. It is the variable which is being measured in an experiment. Here, the test is that the number of sales depends on the number of contact. Here, the number of contacts will has an influence or determines the amount of sales, hence, the number of contacts is the independent variable while the amount of sales is the dependent variable.
If you increase the price 9 times which is 5 dollars more each time you get only 30 students that are willing to buy it. Any more increases will lead to no one wanting to buy it.