If three dozens took 15 minutes that five minutes a dozen and with six dozens it would be 30 minutes
Answer:
The lcm of 28 is 4
The lcm for 32 is also 4
Step-by-step explanation:
Twice a number decreased by 11 is -23
Let the number be x
So we get the equation
2x -11 = -23
Add 11 to both sides
2x = -12
Divide both sides by 2
x = -6
So the number is -6
Negative 6
$5 per hour is the constant rate because 10/2 is 5, 20/4 is 5 etc.