the ratio of the number of red cars in a certain parking lot to the number of black cars is 3 to 8 . if there are 75 black cars in the lot , how many red cars are there in the lot ?
"b is correct r / b = 3 / 8 and b = 75 r = 75 * 3 / 8 = 28"
floor(multiply(divide(3, 8), 75))