How many additional ounces would you need to pay the same total amount for each frozen yogurt? *

Question

Answer 1

400 + 45X = 350 + 55X

10X = 50

X = 5 extra ounces would cost the same total for each

$4 + 5($.45) = $3.50 + 5($.55) = $6.25 for either one