Henri made 40 brownies. This is 25% of the brownies he must make. How many brownies must he make?
1 answer:
answer: henri must make 160 brownies .
work:
set up as a system of equations.
=
now, cross multiply to solve.
25(x) = 40(100)
25x = 4,000
now divide 4000/25.
4000/25 = 160.
40 is 25% of 160, so he must make 160.
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