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3 years ago

What is 164 rounded to the nearest 10

Mathematics

2 answers:

Leya [2.2K]3 years ago

6 0

I think its 160 because if its 5 or more round up if 4 or less round down so 164 the 4 is less so its 160

Mashcka [7]3 years ago

4 0

If the ones place is below 5 it is rounded down, and if the ones place is 5 or greater you round up. 164 has 4 in the ones place, which is less than 5, so you round down to 160.

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1 year ago

kiaria is 7 years alder tham jay . martha is twice as old as kiaria , the sum of their three ares is 7u , find the ratio of jay,

klasskru [66]

Answer:

The ratio of Jay's age to Kiaria's age to Martha's age is 1: 2 : 4.

Step-by-step explanation:

Here, let us assume the age of jay = u years

So, the age of Kiaria = Age of Jay + 7 = u + 7

And, the age of Martha = 2 x ( age of Kiaria) = 2 ( u + 7)

Now, the sum of the ages = 7 u

⇒ (u) + (u + 7) + 2 ( u + 7) = 7 u

or, u + u + 7 + 2 u + 14 = 7 u

or, 4 u + 21 = 7 u

⇒ 3 u = 21 or u = 21/3 = 7

⇒ u = 7 years

Hence, the age of Jay = m = 7 years

Age of Kiaria = m + 7 = 7 + 7 = 14 years

Age of Martha =2 ( m+7) = 2 ( 7 +7) = 28 years

So, the ratio of Jay's age to Kiaria's age to Martha's age

is 7: 14: 28 = 1: 2 : 4

Hence, the final ratio of the ages is 1: 2 : 4.

6 0

3 years ago