Answer:

Step-by-step explanation:
Let x represent the number of lawns Jacob mowed and y represent the number of dogs Sarah walked.
Jacob charges $20 each time he mows a lawn, then he earns $20x for x lawns mowed.
Sarah charges $10 each time she walks a dog, then she earns $10y for y dogs walked.
In total, they will earn $(20x + 10y). They need at least $2000 in order to go on a trip, then

Note that 
Negative 73
drop of 73
minus 73
below 73
taking away 73
Answer:
below
Step-by-step explanation:
improper fraction: 14/5
as a decimal: 2.8
proper fraction: 2 4/5
Answer:
I'm not quite sure, but I think 3. v= 5 × 32 × 10
and the rest I'm not sure.