If it takes bob 3 hours to bake a cake and it takes charlie a quarter of the amount of time it takes bob to bake a cake how long does it take charlie to bake a cake.

Step-by-step explanation:

if it takes bob 3 hours to bake a cake and it takes charlie a quarter of the amount of time it takes bob to bake a cake how long does it take charlie to bake a cake.

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.