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01-02-2018
Mathematics

contestada

1.) test worth 50 points ; test sore of 84%
2.)test worth 75 points; test sore of 96%
In proportion

Respuesta :

01-02-2018

5*8=40=80%
0.5*4=2=4%
40+2=42
42/50=42:50=21:25

7.5*90=67.5
0.75*6=4.5
67.5+4.5=72
72/75=72:75=24:25

21:25,24:25

b is better

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