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How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

An art teacher made a copy of a small painting. to make the painting easier to see the teacher enlarged the area of the painting by 49%. let y respresent the area of the original painting. the expression below is one way to resperesnt the area of the new painting.find two equivalent expressions that would give the area of the new painting y+0.49y

Francesca had 32 cups of flour and she uses 3/8. how much flour did francesca use? write the equation.