A soda machine makes ⅔ gallon of soda every minute. The total amount y that the machine makes in x minutes is given by the equation y=2/3x. Determine whether the relationship between x and y is linear and, if so, if it is proportional.

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?