# M15: Solving Systems of Linear Equations by Elimination

## Quiz by JOCELYN O. HULIP

Grade 8

Mathematics

Philippines Curriculum: Grades K-10 (MELC)

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10 questions

Show answers

- Q1
The sum of the ages of two sisters is 30, while the difference of their ages is -6. If x and y represent the age of each sister, which variable can be eliminated first?

y

x and y

none

x

30sM8AL-Ih-3 - Q2
Two types of milk are choses by a chocolate manufacturer in Marikina City. One type has 20% milkfat and another has 16% milkfat. Each type must be used to come up with 35liters of 18% milkfat. Fill in the table with the missing information.

0.20; 3.5

20; 16

0.02; 6.32

0.2; 0.16

45sM8AL-Ih-3 - Q330sM8AL-Ih-3
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