A $45.00 mixer sold for $47.70 with tax. What is the percent of the sales tax ?

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

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?