Answer:
In April, the dollar increase 1.94% in Brasil's economy.
Explanation:
The given problem is about sum and difference between the increase and decrease of the dollar in Brazil.
We know that the dollar increased y% in April, 3.5% in May and decrease 2.4% in June. So, we can write the following equation.
Where we solve for
Therefore, in April, the dollar increase 1.94% in Brasil's economy.