David's mass is 5kg less than john's, who in turn is 8kg lighter than paul. if their total mass is 197kg. how heavy is each person.

Question

Emmalee Aguirre

Mathematics

1 March, 04:27

David's mass is 5kg less than john's, who in turn is 8kg lighter than paul. if their total mass is 197kg. how heavy is each person.

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Dangelo Ramirez · Answer 1

Ok so we know Davids is 5 less than johns x-5

Johns is 8 lighter than paul x-8

combine x-5 + x-8 = 197

2x - 13 = 197

2x = 210

x = 105

lets check it. (105-5) + (105 - 8) = 197