3 years ago

PLEASE SHOW WORK ASAP

Mathematics

1 answer:

Ludmilka [50]3 years ago

5 0

4/d = 2/6
4*6= 2*d
24=2d
d=12

(r-3)/10=r/13
13(r-3)=10r
13r-39=10r
3r=39
r=13

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