1.

The ratio of adults to children watching a school hockey game was4 : 1. When 5 more adults and 20 more children came in, the ratiochanged to 7 adults for every 2 children. How many children in totalcould there have been then?a) 180b) 170c) 160d) 150

Answer»

Answer:

150 CHILDREN

Step-by-step EXPLANATION:

Let the no. of ADULTS and children be 4x and 1x respectively.

Then the ratios of adults to children watching game =4X: X

ACCORDING to the question,when 5 more adults and 20 more children entered in the ratio, it was,

4X +5\ X+20=7/2

8X + 10= 7X + 140

X=130

Hence the total number of children could be

130+20=150 children



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