Aman works five consecutive days for 8 hours 7 and 1/2 hours 8 1/4 hours 6 and 1/2 hours 6 and 3/4 hours how much money will he earn for the 5 days if he makes $15.50 per hours

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)