1. Which of these expressions represent the situation? The cost of 1 dozen umbrella is z pesos. What is the cost of one umbrella.
b. C. 12 z
d. 12 + z Z 12
a. 12 Z
2. The cost of a main floor seat is three times as much as the cost of a balcony seat of the theater. Which of the following expressions shows the cost of each type of seat?
a. X, X + 3
b, x, 3x
C. X, X - 3 X
d. x, 3
3. Mr. Dela Cruz plants a tree that is 10 inches tall. The height increases by 15 inches each year. Which of the following expressions represent the height of the tree in t years?
a 10 + 150
b. 150 - 10
c. 15(t – 10)
d. 10(15 + t)
4. A father gave P1,500 to his two sons. He gave y pesos to one son. Which of the following expressions correctly shows the amount he gave to the other son.?
a. Php. 1,500 + y
c. Php. 1,500 - y
b. Php. 1,500 = y
d. Php. 1,500 -
5. The length of the soccer field is 20 yards more than its width. Express the length of the soccer field in terms of its width.
a. W + 20
b. 20 + w
C. W - 20
d. 20 - w
6. Which of the following is the correct mathematical equation of "Seven subtracted from the twice a number gives 17?"
a. 7(2 - x) = 17
b. 2x - 7 = 17
c. 2(x - 7) = 17
d) 7 - 2x = 17 7-2x = 7. Refer to question number 6, if you are going to look for the value of x or the unknown number, what would be the value of the number?
a
b. 14
C.-12)
d. -- 14 ​