Because 18:3 simplified is 6:1
Answer:
a) 10cm
b) 11.6 cm( approximately)
Step-by-step explanation:
Use pythagorean theorem
A because you would have to turn the mixed
fraction into a improper fraction which would turn it into 13/4 not 4/13 then multiply by 5/1.
A - quantity tickets for adults. It costs 5a dollars
c - quantity tickets for children. It costs 2c dollars.
There were 1750 tickets sold, so a+c=1750$. That's mean a = 1750 - c.
Total: 7 100$, That's mean 5a + 2c = 7 100. Substitute now 1750-c instead "a" :
5(1750-c) + 2c = 7100
8750 - 5c + 2c = 7100
-3c = -1650 |divide (-3)
c = 550
So a =1750 -c = 1750 - 550 = 1200
There were sold 1200 tickets for adults and 550 tickets for children
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