The final number is 100% of, or the same as the original number
Ex: original number = 1
1(.25) = .25 1 + .25 = 1.25
1.25(.20) = .25 1.25 - .25 = 1
M•8=142 is the equation i believe
Answer:
y=4x^2-31
Step-by-step explanation:
The two best deals would be buy two get two free and the 1/2 off because both would equal 50% off the total price of buying 4 wheels.
This is better than the alternative of only 45% off.