She is 3 years older than her brother and has (x+3) in the equation means that x is being used as her brothers age. (She is adding 3 to her brothers age)
The answer is Amy's brother's age.
Answer:47.25
Step-by-step explanation: it is 10.5 x the 4.5
Answer:
She walked 1 1/5 miles per hour.
Step-by-step explanation:
Answer: 2/x+4x^2
Do distrubitive property.
SO mutiply 2/5 to 5/x which is 10/5x or 2/x
then 2/5 times 10x^2
10*2/5=20/5 or 4
Done.
Have a nice day! :)