Calculate for y given that mean of 20,2y,25,y,30 is 27​

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

Answer! if you don’t mind, can you explain