SOLUTION: three quantities t,x, and y such that t varies directly as x and inversely as the square root of y. find the percentafe decrease in t , if x decreases by 4% , when y increases by 4

Question 1100487: three quantities t,x, and y such that t varies directly as x and inversely as the square root of y. find the percentafe decrease in t , if x decreases by 4% , when y increases by 44%
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!

Change x to 0.96x and y to 1.44y.
Change in t:

Decrease in t by 2/10 or 20%.
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

The variation equation is

decreased by 4% is
with y increased by 44% is

Then the "new" value of t is

The new value of t is 0.8, or 0.80, times the original value; its value has decreased by 20%.
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