An estimate helps you place the decimal point when multiplying because if you find out how many decimals there are and once you are done doing you estimated multiplication you put two decimal points after that.
Hope I helped some what and didn't make you confused.
1200 (1+.8 * 30/12) = 1740.00
1740.00 - 1200 = $540
Answer:
well what line do you have a picture??
Another ratio of 13:27 is to write it as a fraction. This is to mean;
