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bonufazy [111]
3 years ago
9

When x = 8, y = 20. Find y when x = 42

Mathematics
2 answers:
GenaCL600 [577]3 years ago
4 0
8x20
42xy
cross multiply both the equation 
8y=42*20
8y=840
y=840/8
y=105
snow_tiger [21]3 years ago
3 0
The answer that I got was y=105
     
Hope this helps!
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