Answer:

Step-by-step explanation:
Answer:
h=p/(mg)
Step-by-step explanation:
P=mgh
solving for h,
h=p/(mg)
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Answer:
$138
Step-by-step explanation:
We can first turn the words into a mathematical equation by substituting words with the information we have:
Total earning - ( Price of three books)
$180 - (Price of one book x 3)
$180 - ($14 x 3)
Finally, after we have created the mathematical equation, we solve it!
$180 - ($14 x 3)
$180 - $42
$138
Answer:x=143
Step-by-step explanation: set 128=X-15 add 15 to both sides