Lanre51 Lanre51

13-04-2018
Mathematics

contestada

Jim is 8 years younger than Tim. Simon is 5 times as old as Tim. The sum of their age is 55. How old are each if them?

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mkryukova19 mkryukova19

13-04-2018

J=T-8
S=5*T

T+J+S=55
T+T-8+5T=55
7T=55+8
7T=63
T=63/7=9 Tim- 9
J=T-8= 9-8=1 Jim - 1
S=5*T=5*9=45 Simon- 45

Check (9+1+45=55)

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