A total of 70 tickets were sold for a concert and earned the organizers $804. If the cost of each ticket was either $10 or $12, how many tickets
of each type were sold?

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)