A restaurant wants to study how well its salads sell. The circle graph shows the sales over the past few days. If 15 of the salads sold were garden ​salads, how many total salads did the restaurant​ sell?

How many natural numbers n satisfy the inequality: 1/7 < n/10 < 4/5 ?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.