20% off means you paid only 80% of the original price.
0.8x=40
x=40÷0.8=50
so the original price is 50
You can only multiply numbers that are inside the radical symbols
Answer:
A is going to be 2.80
B is going to be 0.7
C points (1,0.70)
D he is buying four pounds of flour because you always put the x at the bottom and y at the top
E it will be 6.3
Step-by-step explanation:
Hope this Helped