Noah's recipe for sparkling orange juice uses 4 liters of orange juice and 5 liters of soda water. a) Noah prepares large batches of sparkling orange juice for school parties. He usually knows the total
number of liters, t, that he needs to prepare. Write an equation that shows how Noah can find s, the
number of liters of soda water, if he knows t.
b) Sometimes the school purchases a certain number, j, of liters of orange juice and Noah needs to
figure out how much sparkling orange juice he can make. Write an equation that Noah can use to find
t if he knows j.