in a class of 40 students, 28 speak Mano and 11 speak Mano and kpelle . if all the students speak either Mano or kpelle, represent this information in a Venn diagram and find the number of students in the class who speak: a) Mano only b) kpelle c) kpelle only

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start