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Using a Bar Diagram
One of the giraffes, Bermard, is sick. Last week he weighed 2,490 pounds. This week he weighs 2,312 pounds. If w
represents the amount of weight lost, use the bar diagram to write an equation and find the amount of weight
Bernard lost.
2,490
2,312
w
The equation used to solve the equation is
The amount of weight Bernard lost is

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.