7.77/129.5 = 0.06
Therefore the tax rate is 6%
Let x and y be the two numbers. We have:

Subtract the first equation from the second to get

And deduce

The two numbers are 3 and 11.
Answer:
40.96
Step-by-step explanation:
x/10.24=4
times 10.24 on both sides
10.24 times 4
x=40.96
Answer: b
Step-by-step explanation: 19 x 3 = 57 & 12 x 3= 36 so subtract 57 and 36 that’s going to give you 21 & 21 plus 6 is 27