Arecipe calls for 2/3 cup of water. you have a 1/6 cup measuring cup. which statements are true? check all that apply. the cup cannot be used to measure the amount of water needed. 2/3 can be rewritten as sixths. four full measuring cups are needed. the numerator and denominator of 2/3 can be multiplied by 2 to get 4/6. 1/6 is equivalent to 2/3.