Bernard and Adriana grew sunflowers in their backyard. Bernard's sunflower grew4.23 centimeters in one week and 8.91 centimeters the second week. Adriana'ssunflower grew 15.12 centimeters in two weeks.Over two weeks, how much more did Adriana's sunflower grow than Bernard's?Mark is in training for a bicycle race. He needs to ride 50 kilometers a week as partof his training. He rode 18.23 kilometers on Monday and 13.94 kilometers onWednesday.How much more does Mark need to ride to complete his training for the week?Four friends purchase a pineapple for $2.88 and 18.4 pounds of peaches. Thepeaches cost $1.75 per pound. The friends share the total cost equally.What amount does each person pay? A scientist placed 136.8 grams of chemicals in a beaker. He then divided the mixtureevenly into four dishes.How much of the mixture did each dish contain?