Afarmer has 1,300 acres of land on which he grows corn, wheat, and soybeans. it costs $45 per acre to grow corn, $60 to grow wheat, and $50 to grow soybeans. because of market demand the farmer will grow twice as many acres of wheat as of corn. he has allocated $69,200 for the cost of growing his crops. how many acres of each crop should he plant?

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.