SOLUTION: Peter has 30 pencils and Tony has 14 .how many pencils has Tony give Peter so that Peter shall have 3 times as many as Tony ..2)two fifths of a number is 24.what is the number

Question 1054899: Peter has 30 pencils and Tony has 14 .how many pencils has Tony give Peter so that Peter shall have 3 times as many as Tony ..2)two fifths of a number is 24.what is the number
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Peter has 30 pencils and Tony has 14.
how many pencils has Tony give Peter so that Peter shall have 3 times as many as Tony
:
let x = the no. of pencils require to accomplish this
30 + x = 3(14 - x)
30 + x = 42 - 3x
x + 3x = 42 - 30
4x = 12
x = 12/4
x = 3 pencils, Tony gives Peter
:
to check this
30 + 3 = 3(14-3)
33 = 3(11)
:
:
2)two fifths of a number is 24. what is the number
let n = the number
n = 24
multiply both sides by 5
2n = 5(24)
2n = 120
n = 120/2
n = 60
:
Check this
* 60 = 24
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