John sells tickets to a school concert. adult tickets cost $6.50 and children’s tickets cost $4.50. john collects a total of 157.50 from the ticket sales and he sells twice as many adult tickets as children’s tickets. how many tickets does he sell all together?

last option: rhombus or kite

step-by-step explanation:

a kite and rhombus have the same shape. as we don't have any specific formula for the calculation of area of kite. the diagonals are used to calculate the area of a kite or rhombus.

the formula for area of rhombus is given by:

here, d_1 is the first diagonal and d_2 is the second diagonal.

so,

last option is the correct answer ..

just sum

10 + 10 = 20