Autonomous investment is indicated by the intercept. 1  An Induced Slope: The slope of the investment equation (f) measures the change in investment resulting from a change in income. If income changes by $1, then investment changes by $f.
24 to 48 Hours. You should wait at least 24 hours before grouting the tiles. You may notice that the edges of the thinset or the thinset showing through the grout lines looks dry. Don't be fooled by this. The thinset under the tiles isn't receiving as much air as the edges and is therefor not fully cured.
Grouting floor tiles. After you have applied the grout on the whole surface, you should wait for about 20 minutes, before cleaning it with a sponge. Meanwhile, you should clean your tools with water. In addition, if you have applied grout on the walls, you should remove it with a semi-dry sponge.he grout must have the right consistency and you should remove the excess off the tiles at the right time, otherwise you would spend a lot of many trying to fix these issues. Nevertheless, if you pay attention to our tips, you will be able to grout your floor by yourself and save some money for other projects.