Question

if a30: :7:15, find the value of a​

Answer 1

Proper Question :- If a : 30 : : 7 : 15, then find the value of a

Answer:

14

Step-by-step explanation:

The question is in the form of a/b = c/d

Here, a = a, b = 30, c = 7 and c = 15

According to the question

a/30 = 7/15

By cross multiplying

➾ 15 × a = 7 × 30

Multiply the numbers

➾ 15a = 210

Dividing both the sides by 15

➾ 15a/15 = 210/15

Divide

➾ a = 14

∴ The value of a is 14

Answer 2

Answer:

Step-by-step explanation:

The answer is 14.

Read on to find out why,

a:30::7:15 =

a/30 = 7/15,

a divided by 7/ 30divided by 15

30/2 = 15

So same will be divided by 2 with the numerator.

a/2 =7

7*2= a

7*2=14

Thus, A = 14

Hope you have understood!