you are baking cookies for your class. there are 23 students in your class and you have already baked 12 cookies. Write and solv
1 answer:
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Answer:
Step-by-step explanation:
As the triangles are similar :
45/55 = (12x - 3)/143
9/11 = (12x - 3)/143
9 x 13 = 12x - 3
12x = 117 + 3
12x = 120
x = 10