Help please?

The table below shows the distribution of students in Mrs. boxer 6th grade class what is the ratio of the number of girls to the total number of students?

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Rounded to the nearest tenth, what is the value of x