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Black_prince [1.1K]
2 years ago
10

at a farm the ratio of cows to horses was 10:3 if there were 20 cows at the farm how many horses were there?

Mathematics
2 answers:
arsen [322]2 years ago
6 0
The radio of cows to horses is 20:6 b/c 10 x __ = 20 so if 10 x 2 = 20 so then 3 x 2 = 6
Katen [24]2 years ago
3 0
Cows=10 units
horses=3 units
if 20 cows then
10 units=20 then
1 unit=2
so horses=3 units
1 unit=2
2 times 3=6
6 horses
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To find out depreciation we can use the formula for depreciation,

P_n= P(1-r)^n\\where,\\P_n= Value\ of\ asset\ after\ n\ year\\P= Value\ of\ asset\ when\ bought\\r= rate\ of\ depreciation\\n= number\ of\ years

By putting the value, in the formula we get,

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Therefore, putting the value of r and P in depreciation formula for t years we get,

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Hence, the value of cement mixer after t year is f(t) = 54,205(0. 87)^{t}.

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