currently, yamir is twice as old as pato. in three years, the sum of their ages with be 30. if Plato current age is represented by a, write an equation that could be use to correctly solve for a

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.