Question

At a concert, 2/9of the number of adults is equal to of the number of 7/10 children. A total of 249 people attended the concert. How many adults were
there?​

Answer 1

Answer:

Total number of children are 1000 out of which 200 are girls therefore number of boys = 1000– 200 and that equals to 800. That is the answer.

Answer 2

Answer:We know 4/5 of the children are boys therefore the remaining 1/5th must be girls.

Now it is being said the no. Of girls is 200.

Hence , if 1/5th corresponds to 200.

Then the whole part or the total number of students will be equal to 200*5=1000.

And the number of boys would be 1000–200= 800.

Step-by-step explanation: