if a certain sum is shared between Mary and john directly proportional to their marks in business. maths of 9 and 15 respectively, john will receive 6000 more than Mary ,but if it is shared inversely proportional to their days of absence from school, Mary will receive 4800 more than john. determine their lowest days of absence​

Kevin and jenny, who are both working full-time, have three children all under the age of ten. the two youngest children, who are three and five years old, attended eastside pre-school for a total cost of $3,000. ervin, who is nine, attended big kid daycare after school at a cost of $2,000. jenny has earned income of $15,000 and kevin earns $14,000. what amount of childcare expenses should be used to determine the child and dependent care credit?