Laura is baking a cake. the recipe says that she has to mix 64 grams of chocolate powder to the flour. laura knows that 1 cup of that particular chocolate powder has a mass of 128 grams. she added 2/3 of a cup of chocolate powder to the flour. should laura add more chocolate powder to make the exact recipe, or did she go over and by what amount?
a) she went over by 1/3 of a cup
b) she needs to add 1/3 of a cup
c) she needs to add 1/6 of a cup
d) she went over by 1/6 of a cup
show me how you got your answer : d

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.