a mixture of 40 kg of bird's seed worth 6.00 pesos a kg is to make up by taking some worth 4.50 pesos per kg and some worth 8.50 pesos per kg. How many kg on each should be taken?

Question

a mixture of 40 kg of bird's seed worth  6.00 pesos a kg is to make up by taking some worth  4.50 pesos per kg and some worth  8.50 pesos per kg. How many kg on each should be taken?

anonymous · Answer

exact solution for this please...and checking??

anonymous · Answer

You need 40kg of seed in total. Let's say you want $x$ kg of the 4.50 peso seed, how many kg  of the 8.50 peso seed will you need that case in terms of $x$?

anonymous · Answer

what is the solution?

anonymous · Answer

How many kilograms of the 8.50 peso seed will you need in terms of $x$?

anonymous · Answer

yes

anonymous · Answer

I am asking you that question.

anonymous · Answer

i dont know

anonymous · Answer

Let's say you wanted 10 kilos of the 4.50 peso seed. How many kilos of the 8.50 seed would you need if you wanted 40 kilos in total?

anonymous · Answer

30 kilos

anonymous · Answer

Exactly. Now replace 10 with $x$. How many kilos of the 8.50 seed would you need in that case, if you still want 40 kilos in total?

anonymous · Answer

im confusing please give me the exact solution

anonymous · Answer

How did you work out that 30 kilos?

anonymous · Answer

im confused already hahaha sorry

anonymous · Answer

I asked before: "Let's say you wanted 10 kilos of the 4.50 peso seed. How many kilos of the 8.50 seed would you need if you wanted 40 kilos in total?"

You correctly answered "30 kilos". How did you calculate that?

anonymous · Answer

i already answer it on my own hahaha thanks

anonymous · Answer

Well done!