2. there were 1240 tickets sold for a concert. of these, 780 were sold at $24.50 each,
while the remainder, were sold at a reduction of 20%. find the total money taken in
ticket sales.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

What is the slope of the line (-7,2) (4,6)