1/2n + 15 = 9 <== ur equation
1/2n = 9 - 15
1/2n = - 6
n = -6 * 2
n = - 12 <== ur solution
Answer:
x=32 y=416 M<ABC=158°
Step-by-step explanation:
You gave no options but the simplest way to solve this is to set it equal to all of the answers to see if it is correct.
If he buys 2 lbs of sunflower seed and 2 lbs of regular seed he will have 4 lbs of seed, for what he paid 16+12=28 dollars
so 28/4=7 dollars per pound <span />