Answer:
Step-by-step explanation:
Answer:
Division. The niece can divide both sides of the equation by 19 to find the answer.
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Answer:
-15
Step-by-step explanation:
-3 + -12 = -15
Answer:
Step-by-step explanation:
Student who don't play sports = 24 - 10 = 14
the ratio of students who play sports to those who do not = 10 : 14 = 5:7