A school luncheon made $447. Adult tickets cost $9 each and children's tickets cost $4 each. The number of children was 3 less than twice the number of adults. How many of each
ticket were sold? State both the unknown variable/expression for the two quantities and the
equation.

the forst and 3rd

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

x< -17/2 hope this