20. (W) Calculate the weighted mean price of a table from the following data, assuming that weights are proportional to the number of
tables sold.
table (Rs.)
48.00
Price
per
36.00
40.00 44.00
No. of tables sold
11
9
(ii) In a cerfain course, a student's final mark is computed using the
following weights: Quizzes 10%; Tests 40% and Examination
50%. Find his final mark, if his marks in each of these categories
81,75 and 70 respectively,

d is the correct answer

step-by-step explanation:

x= 8 because 3x = 3 * 8, and 3*8 = 24

answer: your correct answer is b. d.

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.

step-by-step explanation: s