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RESULTS OF CIVIL SERVICE EXAM LAST MARCH 12, 2017

IMPORTANT REMINDERS SA MGA KUKUHA NG CIVIL SERVICE EXAM

Civil Service Commission Professional or Sub-Professional Reviewer - Page 113/159

Mathematics Test V Solution - Page 113

Use the table below for questions no. 34 - 36.

% OF
PROTEIN
% OF
CARBOHYDRATES
% OF
VITAMINS
COST PER
100 GRAM
Salad A
20
15
40
$ 25.00
Salad B
10
25
30
$ 30.00
Salad C
20
10
50
$ 35.00


34. The cost of x purchasing grams of Salad A, y grams of Salad B and z grams of Salad C will be _____.

Cost of Salad A =  $ 200  x                   x gm                    x  100¢                = 25x ¢
                             100 gm                                                 P 1,000

Cost of Salad B =     $ 30  x                   y gm                    x  100¢                = 30y ¢
                             100 gm                                                 P 1,000


Cost of Salad C =     $ 35  x                   z gm                    x  100¢                = 35z ¢
                             100 gm                                                 P 1,000

therefore, the total cost is (25x + 30y + 35z) cents * Ans.

35. Which of the following diets would supply the most grams of vitamins?

c. Salad A + 50g Salad B + (300 g) Salad C

= 0.40 (200) + 0.30 (100) + 0.50 (200) ----> 80 + 30 + 100 ----> 210 gms * Ans.

36. All of the following diets would supply at least 85 grams of carbohydrates. Which of the diets costs the least?

b. $ 25 (3) + $ 30 (1) + $ 35 (2)
    $ 75 + $ 30 + $ 70 = $ 175 * Ans.

Civil Service Reviewer Post 113/159