Tres madres con sus tres hijos (que no eran buenos amigos) se encuentran en el colegio rodeado completamente de agua a causa de una inundación y disponen de una barca para escapar en la que sólo caben tres personas. Las madres, para evitar que se peleen sus hijos, no van a permitir que sus hijos se encuentren en la barca, o en cualquiera de las dos orillas, con otro hijo o hijos si no están presentes.  ¿Cómo conseguirán cruzar el río?  ¿Cómo conseguirán cruzar el río con el mínimo número de viajes?  ¿Te atreves con cinco madres y sus cinco hijos?

answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

step-by-step explanation:

in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.  

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads