Answer:
x=1.6
Step-by-step explanation:
Multiply each number by 4 to make wholes and than just cross multiply.
option three I’m so sorry if I’m wrong :heart:
.41 dollars a pound
.25 dollars an hour
Answer:
x=2/5, y=-24/5. (2/5, -24/5).
Step-by-step explanation:
y=-2x-4
y=1/2x-5
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-2x-4=1/2x-5
-2x-1/2x-4=-5
-4/2x-1/2x=-5+4
-5/2x=-1
5/2x=1
x=1/(5/2)
x=2/5
y=1/2(2/5)-5
y=1/5-5
y=1/5-25/5
y=-24/5
Answer:
-x • (81x3y4 + 343x2y2 - 7938x - 3969y2)
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441
