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Answer:
7d
Step-by-step explanation:
10d-3d
Factor out a d
d(10-3)
d (7)
7d
Answer:
140 degrees
Step-by-step explanation:
supplementary angles
Answer:
375 girls
Step-by-step explanation:
Let the number of girls in the school be y.
Then, we can write the equation:

We can now solve for y by multiplying both sides by




Therefore there are 375 girls in the school.