(-25 + -70 + 15 + -31 + -25 + 40)/6 = -16
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-15
Average acceleration = (change in speed) divided by (time interval)A = (40 - 25) / 15 = 15/15 = 1 meter/sec2
It is: 15+25 = 40
Thw two numbers are 25 and 15 because 25+15 = 40 and 25-15 = 10
Average = (9 + 31)/2 = 40/2 = 20