eboniwiley
16.11.2019 •
Mathematics
Which fraction and equivalent decimal correctly shows the ratio of shaded circles to all circles?
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Ответ:
all circles = 12
ratio of shaded circle to all circles = 6/12 which reduces to 1/2...and in decimal form is 0.5
Ответ:
Teacher is 27 years old
Step-by-step explanation:
(1/2)(t - 3) = (1/3)(t + 9)
multiply by 6 to clear the fraction
3(t - 3) = 2(t + 9)
Distribute
3t - 9 = 2t + 18
Subtract 2t from both sides
t - 9 = 18
Add 9 to both sides
t = 27
Teacher is 27 years old