Answer:Let x = pay per hour as a carpenter and y = pay per hour as a blacksmith
Last week she worked 12 hours as a carpenter
earning 12x dollars
and 20 hours as a blacksmith
earning 20y dollars
and earned a total of $860
and those two things add up to 860.
Do the same with the other sentence, giving you a second equation.
Step-by-step explanation:
Answer:
Step-by-step explanation:
3.57 x 10 ^ - 7 is the correct answer
30 is greater than 3. So 30 > 3
Answer: The constant is -4 cause it will never change from x or y value.
Step-by-step explanation: