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A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
Suppose a and b vary inversely, and b = 8 when a = 6. Write a function that models the variation and find b when a = 30.
Solution:
Given a and b are inversely proportional
We have a = k/b, this is the function that models the variation
a/a’ = b’/b
Where a,b are initial values and a’,b’ are changed values
6/30 = b’/8
b’= 1/5 * 8
b’ = 8/5
Suppose a and b vary inversely, and b = 8 when a = 6. Write a function that models the variation and find b when a = 30.
Summary:
Suppose a and b vary inversely, and b = 8 when a = 6 and b is 8/5 when a = 30.
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