9. Find the value of x that makes triangle FGH is congurent to triangle JKL
1 answer:
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Answer:
The number of the students is 20.
Step-by-step explanation:
Total number of students in the speech contest = 90
Number of students that gave their speeches yesterday = of 90
= x 90
= 60
Number of remaining students who have not given their speeches after the first day = 90 - 60
= 30
Number of students that gave their speeches today = of 30
= x 30
= 10
Number of students that have not given their speeches = 30 - 10
= 20
Thus, 20 students have not given their speeches.