42. On a weekend class gathering at a museum, a teacher brings $60 to pay for the museum admission. She buys an adult ticket
for $4 and 20 student tickets. She has $16 left. Write an
equation and find the cost of a student ticket.

1/2*qr*rs

step-by-step explanation:

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.

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