dolphin5836
25.10.2019 •
Mathematics
When a colcano erupts the height of the peak id reduced and the upper portion is removed the height of a volcano after it erupted was 8,219.5 feet this was 85% of the original height what was the original height
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Ответ:
9670 feet
Step-by-step explanation:
The height given (8219.5 ft) is 85% OF ORIGINAL, hence original is much higher. But how do we figure this out?
we translate word problem to equation.
8219.5 IS 85% of TOTAL
Firstly, 85% = 85/100 = 0.85
Remember, is means =
of means multiplication
So we have:
8219.5 = 0.85 * Total
Hence, total = [let total be 7]
8219.5 = 0.85 * t
t = 8219.5/0.85 = 9670 feet
Ответ:
$25.44 is Sarah's total cost
Step-by-step explanation:
$24×1.06= $25.44