Answer:
$3 for 1 book.
Step-by-step explanation:
AOD=180 so COD=48
Since point C and D are equidistance to center point(O) OD and OC are congruent.
That also means OCD=ODC.
180-48=OCD+ODC
ODC=OCD
x= 66
1230 1203 1302 1320 1032 1023 2130 2103 2301 2310 2032 2023 3210 etc
3 in 350 is 300 the 3 in 403 is 3