Answer:
B
Step-by-step explanation:
Took the test
She used the associative property which should only be used with positive numbers (sorry if it isn't the answer you're looking for)
0.05n + 0.25q = 1.60
q = 3n
0.05n + 0.25(3n) = 160
0.05n + 0.75n = 1.60...multiply by 100 to get rid of the decimals
5n + 75n = 160...answer D
4 , divide the x by the y to find a constant
