Question

Thee 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 are in the museum

Answer 1

Answer:

Step-by-step explanation:

no. of total people is 250.

no. of girls = 2/5 of 250

= 2*50=100 girls

no. of boys = 3/ 10 of 250

3*25=75boys

no. of adult = 250—100—75=250—175=75

so, there are 75 adults....

Answer 2

Answer:

75

Step-by-step explanation:

2/5 of 250 = 100

3/10 of 250 = 75

100+75=175

250-175=75