<h3><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u><u>:</u><u>-</u></h3>
- Age of Amy's younger sister=1year
☆Amy is 9 years older than her younger sister.

Let after x years Amy will be 4times old as her sister.
ATQ

- Using cross multiplication







26 + 35 + 37 + 46 = 144
Every 3 feet is one yard, so 144/3 = 48
48 Yards
The 8 exterior angles of a regular octagon add up to 360 degrees
The answer is B. 50+3x=104. andrea drove 18 miles, because 104-50= 54 and 54 divided by 3=18