Asked by D-Man
john runs .5 miles per day. if he increases .5 miles a day, how many days until he reaches 7.5 miles?
Answers
Answered by
PsyDAG
.5 + .5d = 7.5
Solve for d.
Solve for d.
Answered by
Damon
.5 , 1 , 1.5 , 2.0 , 2.5
is
.5 , 1.5 3.0 , 5.0, 7.5 on day 5
of course this is an arithmetic sequence with d = .5
is
.5 , 1.5 3.0 , 5.0, 7.5 on day 5
of course this is an arithmetic sequence with d = .5
Answered by
Damon
http://www.mathsisfun.com/algebra/sequences-sums-arithmetic.html
Answered by
Damon
a + (n-1)d
.5 + (n-1).5
.5 + (n-1).5
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