Divide 190 to the ratio 0.2: 0.3: 0.5

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.