12m-32=-80
12m=-80+32
12m=-48
m=-4
Answer: 58lbs
Step-by-step explanation:
Calculate the difference between 132 and 538. You can do this by subtracting.
538
- 132
----------
406
Now divide this by the amount of months.
406/7=58
Therefore, he gained 58lbs each month.
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Answer: 20 tests
Step-by-step explanation: She does every test in 2 1/2 mins. So she can do 20 in 50 mins.
Answer:
a) y-intercept (as can be seen) is 50 degrees
b) this means that, at the time the temperature began to be recorded, it was 50 degrees outside
Step-by-step explanation:
