How much simple interest is earned on $4,558.35 at an interest rate of 3.2% in 9 years?

=$ 1,312.80

Step-by-step explanation:

Simple interest is given by the formula  PRT/100

Where P is the principal amount, R is the interest rate and T is the interest period in years.

= ($ 4,558.35 × 3.2 ×9)/100

=$ 1,312.80

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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