Use 1% or 10% to estimate the percent of each number.
{"Image DocumentName": "Use 1% or 10% to estimate the percent of each number.", "Image ImageDescription": "Find 4% of is about 20, so find 4% of 20. 1% of 20 = % of 20 = 4 \u00b7 0.2 = % equals 4 \u00b7 1%. 4% of 18 is about 0.8. Find 29% of % is about 30, so find 30% of % of 80 = % of 80 = 3 \u00b7 8.0 = % equals 3 \u00b7 10%. 29% of 80 is about 24.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}