Help me please?

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1 Answer
Apr 9, 2018

Let the time taken for the trees to be of same height be #x#.

Height of tree A after #x# years #=> 36 + 15x#
[as initial height is 36inces and 15inches are added every year]

Height of tree B after #x# years #=> 48 + 10x#
[as initial height is 48inces and 10inches are added every year]

SO when the heights are same,

#36+15x = 48 +10x#

#5x = 12#

#x=2.4 " years"#

Now, height after #2.4 " years"= 48 + 10(2.4)#

#=> 48 + 24 = 72 " inches"#