3 years ago

Mathematics

2 answers:

mars1129 [50]3 years ago

6 0

Answer:

B. 15

Step-by-step explanation:

We can write a proportion to solve

14 10

------ = ------

21 x

Using cross products

14x = 21*10

14x =210

Divide each side by 14

14x/14 = 210/14

x =15

Stella [2.4K]3 years ago

4 0

The answer is easily 15 as 21/14 is 1.5 then you multiply 1.5 tines 10 which gives you 15.Hopefully this helps.

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