Problema Solution
In 1993the hydroelectric power production hit an all time high of 316 billion kilowatt-hours. This is 12 billion killowatt-hours more than 4 times the 1947 production level.find the amount of hydroelectric power produced in 1947?
Answer provided by our tutors
Let x stand for the unknown amount (the 1951 level of production) The problem says that 327,000,000,000 is 31,000,000,000 more than four times the unknown amount (x). Four times x can be written as 4x, so.... Your equation is: 327,000,000,000 = 4x + 31,000,000,000