Brayden run a farm tand that ell rapberrie and grape. Yeterday Brayden old 44 pound of rapberrie and 43 pound of grape for a total revenue of $217. Today he old 45 pound of rapberrie and 18 pound of grape for a total revenue of $144. Write a ytem of equation that could be ued to determine the price of each pound of rapberrie and the price of each pound of grape. Define the variable that you ue to write the ytem