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Two parallel lines are crossed by a transversal. what is value of x

The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers