Sergio tiene una piscigranja y necesita comprar 1980 KG de alimento balanceado para peces solo se vende en bolsas de 50 KG ¿cuantas bolsas de alimento balanceado debe comprar sergio? ¡plis doy corona

What 2 forces allow things to fall ‍♀️‍♀️

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)