Answer: pick a bc its the first lettr of the alphebet
Answer:
Step-by-step explanation:
bruh
Step-by-step explanation:
you should only make one equation:
75 + 45x = 30 + 55x
subtract the 30 frim both sides, then subtract 45x from both sides. you are left with:
45 = 10x
Divide by 10 and get:
4.5 = x
After 4.5 hours, the cost is equal for either worker.
The set is not closed
Example:
-4 * -3 = 12 this is not a negative integer