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.
The answer is 3/8
hope it helps
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Answer:
-3.952
Step-by-step explanation:
just remember when adding two negatives, the result will be negative
Answer:
0
Step-by-step explanation:
zero is not a natural number,it is a whole number