The table below shows Kennedy's earnings on the job. \text{Time (hours)}Time (hours) \text{Earnings (dollars)}Earnings (dollars)
1313 \$282.10$282.10
1919 \$412.30$412.30
2626 \$564.20$564.20
What is the constant of proportionality between earnings and time in hours?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Which of the following is the result of expanding the series

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?