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X = $20 bills
6x = $5 bills
x(20) + 6x(5) = 1450
20x + 30x = 1450
50x = 1450
x = 29
6(29)= 174
Answer:
x=0.8, y=2.2 (0.8, 2.2).
Step-by-step explanation:
y+x=3
y=1.5x+1
-------------
1.5x+1+x=3
2.5x=3-1
2.5x=2
x=2/2.5
x=0.8
y+0.8=3
y=3-0.8
y=2.2
Multiply 8 3/4 lb by the conversion factor 16 oz
------------
1 lb
Then 35 lb 16 oz 560 oz
-------- * ----------- = ------------- = 140 oz (answer)
4 1 lb 4