Answer:
Step-by-step explanation:
19.666666666
round up to
20 or 19.7 depending on how they want you to round
the answer is 20
20/2 = 10
10- 6 =4
13+9=22
5+18=23
22x23=506
½x5x13=32.5
9x5=45
½x9x18=81
506-32.5-45-81=347.5