By what factor larger is a 12 inch pizza than a 10 inch pizza? answer

1.44

Step-by-step explanation:

Circular area is proportional to square of radius 6^2 / 5^2 = 1.44

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

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