The map below shows natural gas production in north america. based on the information in this map, what is the approximate yearly natural gas production of the united states, in cubic meters?

a. 0
b. more than 10,000,000,000
c. more than 1,000,000
d. more than 100,000,000,000

The correct answer is D. More than 100,000,000,000

Explanation:

The map presented shows the natural gas production in all the American continent including North America, for doing this the Cubics Meters Per Year have been linked to a specific color, in this way countries with no production of cubic meters are in blue; those with more than 1,000,000 are in yellow color; those with more than 1,000,000,000 cubics meters per year are in orange, those with more than 10,000,000,000 cubic meters are in red and finally countries with more than 100,000,000 are in brown. This also implies by checking the color assigned to each country it is possible to know the amount of natural gas cubic meters per year they produce. In the case of the U.S. in the map this country is brown and therefore it can be estimated according to the map the number of cubic meters per year is more than 100,000,000,000.

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explanation:

simplify brackets

8 - 2a - 7 = a + 40

simplify 8 - 2a - 7 to -2a + 1

-2a + 1 = a + 40

add 2a to both sides

1 = a + 40 + 2a

simplify a + 40 + 2a to 3a + 40

1 = 3a + 40

subtract 40 from both sides

1 - 40 = 3a

simplify 1 - 40 o -39

-39 = 3a

divide both sides by 3

-39/3 = a

simplify 39/3 to 13

-13 = a

switch sides

a = -13