Problema in Un comerciante compra 560
cajas de galletas y paga en
total $ 11760. Acuánto debe
Vender la caja, si le quiere ganar
$5 a cada una? ¿ Cuánto es en
total su ganancia ?p=

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times

47 - 90 = 43

43 - 180 = x

x = 137

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,