The first one is c , no proportional , slope is 35 and y intercept 19.
<span>Let x = amt of water evaporated :.05(50) = .08(50-x) 2.5 = 4 - .08x .08x = 4 - 2.5 .08x = 1.5 x = 18.75 lb of water evaporated : ; Check; amt of salt remains the same, only the percentage is different, right? .05(50) = .08(50-18.75) .05(50) = .08(31.25) 2.5 = 2.5</span>
Answer:
Yes
Step-by-step explanation:
21/3=7
15/3=5
Answer:
1:4
Step-by-step explanation:
3:12
((3×1):(3×4))
=1:4
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