Answer:
infinitely many solutions
Step-by-step explanation:
Reduce the second equation by dividing all three terms by 3: y + 1 = 2x. Then compare this result to the first equation 2x - y = 1. Noe that these two equations are identical. Thus, the two lines coincide. There are "infinitely many solutions."
I would be glad to help you, however what is the function?
Let event G represent that a person visited the gift shop and event F represent that a person watched the film.
P(G) = 0.46
P(F) = 0.49
P(G') = 0.54
P(F') = 0.51
P(G and F') = 0.1
<span>The probability that the person visited the gift shop, given that the person did not watch the film
= probability that the person visited the gift shop and did not watch the film divided by the probability that the person did not watch the film
= P(G and F') / P(F')
= 0.1 / 0.51 = 0.196 = 19.6% </span>
[ Answer ]

[ Explanation ]
Simplify: 
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Cancel The Common Factor
(
)
Simplify

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50,000 ÷ 2,500 = 20 bolts
2,500 ÷ 2,500 = 1 ton
20 bolts: 1 ton
20 × 500 = 10,000 more bolts
Hope this helps!