an exterminator charges 80 dollars to visit a home and 35 dollars to spray each room. if the total bill was 395 dollars, how man
y rooms were sprayed
2 answers:
395-80=315
315/35=9
9 rooms were sprayed
Assuming there was only 1 visit
V= visit = 80
S=rooms sprayed= 35
x=amount of rooms sprayed
(80)+x(35)=395
subtract 80 from both sides
x(35)=315
divide 35 from both sides
x=9
9 rooms were sprayed
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