Which of the following expressions could be used to represent "three less than half a number"? • 1/2 - 3n
• 3 - 1/2n
• 3n - 1/2
• 1/2n - 3

the answer is

1d

2b

3 false

4 d

5 3200sq,ft

80+60+y=180

then divide the difference between 60 and y and add it to 180

so x =180 +( (y-60)/2)

x equals 200

step-by-step explanation:

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