Mathematics, 19.07.2019 00:10 luiscastaenda
Thuy planned for a square table to have a side length of 30 in. but found that it could be a little bigger at 39 in. she found the
change of scale below.
39 in. +3 13
30 in. + 3 10
the change of scale is 13 to 10
what is thuy's error?
30 in.
thuy should have written the ratio as 3 in.
thuy should have written the ratio as 39 in.
30 in.
thuy should have divided both numbers by 6.
thuy should have divided both numbers by 13.
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Thuy planned for a square table to have a side length of 30 in. but found that it could be a little...
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