Arecipe for crumb cake says to mix 3/8 cup of brown sugar and 1/3 cup of white sugar. from this sugar mixture, set aside 1/4 cup for the crumb topping. the remaining sugar mixture is used to make the cake. what amount of the sugar mixture is used to make the cake?

brown sugar=

white sugar=

you need to mix brown sugar with white sugar

+ = =

then it says you need to set aside 1/4 for the crumb topping from the previous sugar mixture that was  , so

- = =

The sugar mixture used to make the cake is

it has the same slope and a different y-intercept

hope this : )