A tv manufacture has produced 1000tvs in the seventh year and 1450 tvs in the tenth year. assuming that the production increase uniformly by a fixed number every year find the number of tvs produced in the first year and in the 15th year
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T7=1000
a+6d=1000
T10=1450
a+9d=1450
subtracting
3d=450,d=150
a=100
the number of tvs produced in the first year=100
in the 15th year=a+14d=100+14*150
=100+2100=2200
a+6d=1000
T10=1450
a+9d=1450
subtracting
3d=450,d=150
a=100
the number of tvs produced in the first year=100
in the 15th year=a+14d=100+14*150
=100+2100=2200
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