Answer:
Her average is 75
Step-by-step explanation:
To be able to find the average of a group of numbers you must add them all then divide them by how many numbers that there are.
Step 1: Add all the values
Step 2: Divide
Step 3: Check your work
Step 4: Celebrate
You got the correct answer, now be proud of yourself.
-1/3 m - 7 = 5
add 7 to each side
-1/3 m = 12
multiply by -3 to each side
m = -36
(a) how much potting soil he bought last week
(b) 28 = 2p + 4
(c) 28 = 2p + 4....subtract 4 from both sides
28 - 4 = 2p...simplify
24 = 2p...divide both sides by 2
24/2 = p....simplify
12 = p......12 solves the equation
(d) He bought 12 lbs of potting soil last week
Answer:
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Step-by-step explanation:
