Two hundred dollars is increased by 25% and the result decreased by 25% What is the final result?

If $200 increased by 25%, your result would be $250

If it then decreased by 25%, your result would be $187.5

Step-by-step explanation:

Multiply 200 and 25% and add 200 to get 250

Multiply 250 and 25% and then add that value to get 187.5

187.5

Step-by-step explanation:

200*1.25=250 (this shows the increase by 25%)

250*.75=187.5 (this shows the decrease by 25%)

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls