aleikebanks
05.05.2020 •
Mathematics
Jerry receives a 15% employee discount at
the store where he works, If he pays $151.30
for an item, what was the original price of the
item?
Solved
Show answers
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Ответ:
hi
if he pays 15 % less, then. he pays 1- 0,15 = 0,85 of full price.
Let's call X full price
then. o,85 X. = 151.30
X = 151.3. / 0,85
X = 178
Ответ:
$178
Step-by-step explanation:
Let's say the original price is x. If there's a 15% discount on x, we have the expression:
x - 15% * x
We know that the discounted price is $151.30, so set this equal:
x - 15% * x = 151.30
x * ( 1 - 15%) = 151.30
Remember that % just means "out of 100", so 15% = 15/100:
x * (1 - 15/100) = 151.30
x * (1 - 0.15) = 151.30
x * 0.85 = 151.30
x = 151.30 / 0.85 = 178
The original price was thus $178.
Ответ:
d.16 because
-4 to the second power would be -4 times -4 and (negative times a negative equals a positive) so 4 times 4=16 which is the same as -4 times -4.