Ursula mixed 3and 1/8 cups of dry ingredients with 1and 2/5 cups of liquid ingredients ursula used. choose the correct benchmark and sum answer 1c through 1c 1a ursula used about 2, 3, 4, or 3and 1/2 cups of dry ingredients 1b ursula used about 1, 2, 1 /2, or 1 and3/4 cups of liquid ingredients 1c ursula used about 3, 4, 3and 1/2, or 4 and 1/2.