Answer:
Let x and y be the two numbers. Then
yx=57 and x−y=20
Cross multiplying the proportion
5x=7y or y=75x
So, x−y=20
x−75x=20⇒77x−5x=72x=20
⇒x=2140=70
y=75x=75×70=50
So smaller number is 50.
Check :yx=5070=57 and 70−50=20
Answer:
81×2=162
Step-by-step explanation:
81+81=162
you can add or do out the multiplication. or even do it in your head.
Answer:
A is function.
Step-by-step explanation:
Answer:
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Step-by-step explanation:
because 4/6/7 is less than 0
