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6x12=72

72x0.15

480

72/0.15=480

can you help me with this one i dont get it

This one is a little harder, but I can definitely help you.

ok

30x0.15=4.5

i got 3.3 first answer
and second one i got 7.2

can you put the in one equation little confused

ok what is next i got this one

now we have to solve for x right???

So, are you ok with the 2 equations in the 2 unknowns, or are you stuck at this point?

i need to know this ______ lbs. of the 15% alloy and ___ lbs. of the 9% alloy.

there is a third part to this right??? solve for x

3.3 is the first ansnwer right.

y=35

I'm looking for 2 yes/no answers at this point. Then we can proceed.

i dont know what you looking for sorry

Please read my posts.

yes i do understand

x=21.4

y=35

x=3.21 y=3.15

will you tell me how you got that

(0.15)(30-y) + (0.09)y = 3.3 -> 4.5 - (0.15)y + (0.09)y = 3.3. Combine y's.