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You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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?