The middle school band has a boy to girl ratio of 4:6 the band had 20 members last year and 25 members this year. How many girls and how many boys are in the band of these two years :'p

Find the sum of the following series. round to the nearest hundredth if necessary.

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2