se han repartido unos chubasqueros entre los 40 chicos y chicas de un campamento y han sobrado 15, ¿ cuantos chubasqueros mas harian falta para que cada joven tuviera uno mas?

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72