Question

there are 250 people in a museum. 2/5 of the 250 people are girls. 3/10 of the 250 people are boys. the rest of the 250 people are adults. work out the number of adults in the museum

Answer 1

he is 75, simple math shows...

Answer 2

his is:-

250 - 2/5 *250 - 3/10 * 250

= 250 - 100 - 75

= 250 - 175

= 75 answer