Two numbers are in ration 4:3. if they differ by 18,find these number​

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?