How many more square must be shaded so that only 30% of the figure is left unshaded, if total number of squares is 20 and 8 squares are shaded
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Out of the 20 squares 8 are painted that makes 40 percent of the shaded portion.
In order to make the unshaded portion to be 30 percent we need to paint 6 more squares that would make 14 painted squares out of 20 i.e it makes 70 percent shaded portion.
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