You and a friend sell hats at a fair booth. You sell 16 hats on the first shift and 21 hats on the third shift. Your friend sells xx hats on the second shift.

a. What is the expression

What's the number for 2 hundreds 15 tens and 6 ones

What is 75% of 200?

77/10 as a mixed number

Ten people board an airplane that has 12 aisle seats. In how many ways can they be seated if they all select aisle seats

A group of people pay $720 for admission tickets to an amusement park. The price of an adult ticket is $15 and a child ticket is $8. There are 25 more adults than children. How many children are in the group.

A cookie recipe calls for 3 eggs for every 2 dozen cookies. How many eggs will be needed for 60 dozen cookies? How many cookies can be made with 12 eggs

A factory produced 150 tons of steel in one year. The next year, the output increased to 180 tons. What is the percentage increase in the output?

If y varies directlt with x, and y=12 when x=15, what is the value of x when y=16

What is the y-intercept of y = 1 + 6x?

A class of 20 music student say they play instruments 8 play guitar and 9 play piano how many people play both