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charle [14.2K]
3 years ago
14

PLEASE HELP!!!

Mathematics
2 answers:
labwork [276]3 years ago
7 0

Answer:

it's B

Step-by-step explanation:

because I did this

lapo4ka [179]3 years ago
4 0
B !! 0.84 , hopefully the answer above was correct
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Answer:

Ratio of present ages of Sonal and Manoj = 7:5

Let us consider the ages of Sonal and Manoj to be 7x yrs. and 5x yrs. respectively.

After 10 years, ratio of their ages = 9:7

A/q,  7x+10/5x+10 = 9/7

or     9 (5x+10) = 7 (7x+10)

or     45x + 90 = 49x + 70

or      49x - 45x = 90 - 70

or      4x = 20

or       x  =  20/4  =  5 .

Therefore, present age of Sonal = 7x yrs. = 7 x 5 yrs. = 35 yrs.

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Step-by-step explanation:

You helped me before so thank you

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3 years ago
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A. 8

Step-by-step explanation:

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4 years ago
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¿What is the density of a rock if it has a mass of 50 g and a volume of 10 mL?
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