Answer:
5x+6y=60
Step-by-step explanation:
x= $5 per pound of second type of seed
y=$6 per pound of first types of seed
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4x-10=18
4x=18+10
4x=28
x=28/4
<span>
x=7</span>
The ratio can be determined as,

Thus, the requried ratio is 7:12.