Gwendelyn, who is a witch, went on an international witch tour. The following table shows the number of
spells that she cast in each country.
Country
Number of spells
Brazil
Argentina
5.
Russia
5
Australia
Find the mean number of spells cast.
spells
Find the mean number of spells cast

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.