3 years ago

I need to know the answer for the picture

Mathematics

2 answers:

Airida [17]3 years ago

8 0

Answer:

a = 2

Step-by-step explanation:

We can use cross products to solve

8 a

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

28 7

8*7 = 28*a

Divide each side by 28

56/28 = 28a/28

2 =a

ch4aika [34]3 years ago

6 0

Answer:

Step-by-step explanation:

Given:

8 a

------- = ------ Find the value of a that makes this equation true.

28 7

Cross multiplying, we get 28a = 56, and so a works out to 2.

Check: Does 8/28 = 2/7? Yes.

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