mair427
mair427
07-01-2016
Mathematics
contestada
do the ratios 2.5/4 and 7/11.2 form a proportion
Respuesta :
bobeld
bobeld
07-01-2016
Only if their cross products are equal.
If 2.5 x 11.2 = 4 x 7 then they form a proportion.
And the answer is
yes
because both cross products are 28.
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