When Serena is 10, her mom is 3*10=30. Her mom is 20 years older than Serena.
If her mom's age divided by half is equal to Serena's, then she will be twice as old as Serena.
20 + 20 = 40
20 * 2 = 40
Serena will be 20, her mom will be 40.
Answer:98
Step-by-step explanation:
has to be higher then 97 so it has to be 98
Yes compund interest is always greater than simple interest
simple interest = principal
compound interest = principal + accumulated interest
Two numbers that add together to get 0 are called additive inverses of each other.