Explanation: This rate means for every 1 hour she worked, she earned 12 dollars.
To find how long it took for her to earn 228 dollars, you have to:
1. Divide 228 by 12
2. Answer - 19
Julie worked 19 hours and earned $228.
The goal in solving an equation is to get the variable by itself on one side of the equation and a number on the other side of the equation. To isolate the variable, we must reverse the operations acting on the variable.
C. 1.07p
1.00 is for 100% of the cost and the .07 is for the tax.