Since 12.3 is kind of a margin that you have to fit by, the total weight of the golf clubs must be lesser than or equal to 12.3. So, that's your expression:

x represents the number of golf clubs you have.
If this doesn't make sense, feel free tell me!
Regular pay = $9.40
Overtime pay = 9.4 x 1.5 = $14.10
1 hour = 14.10
5 hours = 14.10 x 5 = $70.50
1 employee = $70.50
200 employees = 70.50 x 200 = $14100
Answer:
71°
Step-by-step explanation:
The temperature had to be at least 71° when the heater quit to be able to lose 4° and still be at least 67° when the heater is repaired.
Question is...how did someone know that the heater had failed?
Answer:
x=1
You solve for x by cross multyplying