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When x =19 , y =209 find the value of x when y=143
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1 vote
When x =19 , y =209 find the value of x when y=143

User Balzard
by
7.6k points

1 Answer

3 votes

Answer:

x= 13

Explanation:

x1 =19

y1 =209

x2 =?

y1 =143

∆ 19 = 209

? = 143

cross multiply

? = (19*143)/209

x= 13

User Matt Facer
by
8.1k points
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