Checkpoint 4.20 Assume hour is an int variable. Write an if statement that displays the message “Time for lunch” only if hour is equal to 12.

if(hour == 12)

{cout << "Time for lunch";}

Explanation:

hey there! :

mass = 5.75 g

volume = 7.5 cm³

therefore:

density = mass / volume

d = 5.75 / 7.5

d = 0.7 g/cm³

answer c

hope that !

solution:

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