At a school fair 70% of the people are under 16 years old. one-third of the people remaning are teachers. if there are 21 teachers at the fair, how many people are there at the fair total

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

You and a friend went to the movies. you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

Find the value of x. round the length to the nearest tenth