It would be 5300 when rounded
9/2 = 81/a....9 kids meals to 2 adult meals = 81 kids meals to a adult meals
cross multiply
9a = 2(81)
9a = 162
a = 162/9
a = 18...so there were 18 adult meals
ratio is : 81/18
To figure this out you would have to divide 180 by 10(which equals 18))
Answer:

Step-by-step explanation:
Two angles are Complementary when they add up to 90°.
Therefore
