Multiply 3x (2x - 1) by following these steps: Factor 1
:
+X
-X
Product
Step 1: Drag tiles to the section labeled Factor 1 to
represent the factor 3.x.
Factor 2

answer: x=60

simple 80 pieces in 1 sercing so 80*47=3760+20=3780

emily solved for a part when she should have solved for the whole. 875,000 should be the numerator of the equivalent ratio. 70 x 12,500 is 875,000. so the answer is 100 x 12,500 which is 1,250,000.