A certain list consists of 21 different numbers. if n is in the list and n is 4 times the average (arithmetic mean) of the other 20 numbers in the list, then n is what fraction of the sum of the 21 numbers in the list?

Tabitha is renting a ballroom for an upcoming dinner receptions. The rental fee for the balloon includes a base price plus the cost of dinner per person.

A science fair poster is a rectangle 48 inches long and 36 inches wide what is the area of the poster in square feet/10335939/1ffd9207? utm_source=registration

25. An apple is launched directly upward at 64 feet per second from a platform 80 feet high. The equation for this apple's height h at time t seconds after launch is h - 16t? + 646 + 80. a Find the maximum height reached by the apple. b.

Would you rather have a cube of gold that measures 25 mm on each side, or two cubes of gold, one is 24 mm per side, and one is7 mm per side?

A store has 30 boxes of melons. Each box holds 4bags. Each bags holds 2 melons. Whatvis the total number of melons in the store

Simplify (5x) (x^5 - 12x)

Find the LCM of 6 and 12

The sum of the digits of a two digit number is 6 when the numbers are reversed the number decreases by 18

Central Middle School sold 50 tickets for one night of the school play. Student tickets sold for $2 each and adult tickets sold for$3 each. They took in $135. How many of each type of ticket did they sell?

I have done a math equation for school and i forgot if i could leave a inproper fraction as my answer or if its a fraction i can reduce should i or should i not