two numbers in a ratio of 4:5 and their product is 8820 then find the sum of two numbers??
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Answered by
12
let the numbers be 4 x and 5 x
4 x *5 x = 8820
20 x^2 = 8820
x^2 =441
x is equal to 21
4 x = 84
5 x =105
4 x + 5 x = 84 + 105
4 x + 5 x = 189
4 x *5 x = 8820
20 x^2 = 8820
x^2 =441
x is equal to 21
4 x = 84
5 x =105
4 x + 5 x = 84 + 105
4 x + 5 x = 189
sanjay338:
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Answered by
3
Hey dear your answer is here.
let the number of the ratio be 4x.
And the other number of the ratio be 5x.
Sum of two rational numbers = 8820
ATQ,
4x + 5x = 8820
9x =8820
x =8820÷9
x = 980
Therefore, 4x = 4 * 980
= 3920
And, 5x = 5*980
= 4900
let the number of the ratio be 4x.
And the other number of the ratio be 5x.
Sum of two rational numbers = 8820
ATQ,
4x + 5x = 8820
9x =8820
x =8820÷9
x = 980
Therefore, 4x = 4 * 980
= 3920
And, 5x = 5*980
= 4900
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