Answer:
It's the last one B = G ×7 and B + G =29
Answer:
wait do I simplify? I'm confused
Answer:
40%
Step-by-step explanation:
a percentage can also be written as something over 100. x/100. to find the percentage you would set up the proportions as 12/30=x/100. then you cross multiply 12x100 and divide by 30. (this is called the bat and ball method). you end up with 40.
Answer:
8% tax rate.
Step-by-step explanation:

The 8% (0.08) is the tax rate because the 100%, or 1.00, is the original price of the racket, which was $13.