Do as the apples goes up in 4s
3 7 11 the goes 3 +4 = 7, 7+4 = 11
and Sees goes up in 40's
30 70 110
and rate of change is

its 40/4 or 10/1 (that's the first one)
Either, The first one or the third one.
Answer: 17500
Step-by-step explanation: 7000 + 15000 + 22000 + 23000 +38000/ 6