Answer:
-12x
Step-by-step explanation:
36÷(-3)= -12
Answer:
25m + 10b = 400
Step-by-step explanation:
Total amount that can be earned = $ 400
Amount earned on mowing a lawn = $ 25
Amount earned per hour on babysitting = $10
Amount earned for mowing one lawn is $ 25, so amount earned for mowing m lawns will be $ 25m
Amount earned for one hour of babysitting is $ 10, so amount earned for babysitting for b hours will be $ 10b
Total amount earned = Amount earned from mowing m lawns + Amount earned from babysitting for b hours
Using the values from above, we can set up the equation as:
400 = 25m + 10b
Answer:

Step-by-step explanation:
Recall that the formula for density is:

therefore for this case we have:

Yes that it's correct because numbers that are 5+ round up and numbers that are 4-stay the same.
Are there any other things that cost money that are in the equation?