49 is a square of 7 and 4 is a square of 2. To get 45 you need to subtract 7² and 2². Therefore, its the difference of squares.
Area ABD = 16*12/2
area ABC = 9*12/2
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so the ratio of the area ABC to the area of ABD = (9*12/2)/(16*12/2) =
= 9/16
hope helped
Answer:
I think this is the correct solution
Answer:
134 hamburgers sold on Sunday
Step-by-step explanation:
x+3x=536
4x=536
4x/4=x, 536/4=134
x=134