1200 hombres tiene viveres para 80 dias, pero al finalizar el dia 25 se retiran 320 hombres. ? cuántos días mas durarán los víveres?

Let's assume

Number of days needed after 25 days is x days

1200 men have food for 80 days

so, total men-foods is

but at the end of day 25, 320 men retire

So, total men-foods in 25 days is

total men-foods after  25 days is

now, we can equate them

now, we can solve for x

Hence,

Number of days needed after 25 days is 75 days...........Answer

f

step-by-step explanation:

f

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.