Fifteen people were asked how many days it had been since they had eaten more than 50 grams of carbohydrates in a single day. The
results are shown above. What is the interquartile range of the data?
A,1 B,2 C,3 D,4
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The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Wrote and expression for the difference of p and 4

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of