Lashonda made 2 identical necklaces, each having beads and a pendant. the total cost of the beads and pendants for both necklaces was $12.40 . if the beads cost a total of $7.20 , how much did each pendant cost?

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?