Lorenzo and his sister, Mariana, are decorating gingerbread houses. They want to make grass, so they turn their icing green by m
1 answer:
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(1)
given =
( cross- multiply )
10j = 54 ( divide both sides by 10 )
j = =
← in simplest form
(9)
let h be the hours worked daily , then
3h = 20 =
( divide both sides by 3 )
h = ÷ 3
= ×
=
= 6
She worked 6 hours each day
