12 1/2 of what amount is $10.40?
2 answers:
Let x = what amount
Rewrite 12 1/2 as 25/2.
(25/2)(x) = 10.40
Take it from here. Solve the equation for x.
Of = multiply
what = x
is means =
(12.5)x = 10.4
x = 10.4/12.5 = 104/125
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