Answer: I think the answer is. x=y*z I dont know what the verbles are but thats what I got. ANd can you zoom in a bit?
Step-by-step explanation:
She paid $42 dollars in total.
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
x=10,−1
The multiplier to get from 6 * ... to 15 is 15/6.
If 6 * 15/6 = 15, then 20 * 15/6 = 50, answer B.
