Question

45% of? +30% of 90=30% of 210

Answer 1

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Answer 2

Answer:

The missing term is 80.

Step-by-step explanation:

Given : Expression 45% of ? +30% of 90=30% of 210.

To find : The missing term ?

Solution :

Let the missing number be 'x',

45% of x +30% of 90=30% of 210

i.e. $\frac{45}{100}\times x+ \frac{30}{100}\times 90=\frac{30}{100}\times 210$

$0.45x+0.3\times 90=0.3\times 210$

$0.45x+27=63$

$0.45x=63-27$

$0.45x=36$

$x=\frac{36}{0.45}$

$x=80$

Therefore, the missing term is 80.