Answer:
By 19% the computer was less than the original price
Step-by-step explanation:
The original price on the computer was $1500
Discount is 25%= 0.25
Discount amount = 1500 * 0.25 = 375
Discounted price = 1500 - 375 = 1125
Now 8% shipping cost to discounted price
8% = 0.08
Shipping cost = 1125 * 0.08 = 90
cost of computer with shipping cost = 1125 + 90 = 1215
Percentage less = (original cost - cost of computer now ) / original cost
= 
To get percentage we multiply by 100
0.19 * 100 = 19%
Answer:
x = 10/-3
Step-by-step explanation:
-3x - 9 = 2 - 1
-3x - 9 = 1
-3x = 1 + 9
-3x = 10
x = 10 / -3
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Answer:
20 1/4
Step-by-step explanation:
since 4 1/2 we need to change the denominator 1/2 x 2 = 2/4 now multiply
4 2/4 x 5 3/4 = 20 1/4
Answer:
-6x³+3x²-12x
Step-by-step explanation:
Answer:
We have 5% and 25% solutions and we need 300 ml of 10%.
Setting up 2 equations:
A) x + y = 300
B) .05 x + .25 y = (.10 * 300) Multiplying A) by -.25
A) -.25x -.25y = -75 Then adding this to B) we get
-.20 x = -45
x = 225 ml .05% and we use 75 ml of 25%
Source: https://www.1728.com/mixture.htm
Step-by-step explanation:
