En una panadería tenemos el siguiente descuento: “cada sándwiches de miga, obtenemos $5 de descuento”. Si Nuria decide comprar 38 sándwiches cuyo valor por unidad es de “$ w” ¿Cuál es la expresión que representa lo que debe pagar Nuria?

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation:

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.

question

given the diagram below, what is md?

the sum of the interior angles is 360°

take away from 360 the sum of the knows angles and you will have the angle d.

360 - 108 - 108 - 72 = 72°