406 divided by 140 makes 2.9 multiply that 100 and you arrive at 290%. Hope this helps!
6 x 3 y − 9 x 3 y 2 + 12 x 4 y 3
Step-by-step explanation:
I've had this before
Answer and Step-by-step explanation:
2x + 2 is the answer.
If the boy is twice as old, and the sister's age is represented by <em>x</em>, then we multiply 2 to x to represent the boy's age.
Then we add 2 when 2 years pass by.
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