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Amy's weight this year is 50 pounds less than twice her weight from last year. If she weighs 120 pounds this year, write an equation for her weight last year and calculate her weight from last year. Choose three or more different weights for amy, maintaining the same conditions, and graph the relationshipfor a variety of cases. based on your observation, does the graph make sense? Explain your finding |
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Answer» Given : Amy's WEIGHT this year is 50 pounds less than twice her weight from last year. she weighs 120 pounds this year, To Find : an EQUATION for her weight last year and calculate her weight for last year. Solution Assume that last year Amy's weight = W pound Amy's weight this year is 50 pounds less than twice her weight from last year. = 2 W - 50 she weighs 120 pounds this year => 2W - 50 = 120 => 2W = 170 => W = 85 Amy's weight last Year = 85 Pound W Last Year Weight 50 50 60 55 70 60 80 65 90 70 100 75 110 80 120 85 130 90 140 95 150 100 Graph is linear Learn more: The equation above shows how temperature F represent the cost of parking for four wheeler in terms of linear ... |
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