The coffee merchant plans to mix some fancy $6.50 per pound ground coffee called royal soil with 10 pounds of a lowly $2 per pou
nd ground called royal peasant. How many pounds of the $6.50 per pound ground coffee should he use?
1 answer:
Answer and explanation:
Given:
Royal soil= $6.50 per pound
Royal peasant = $2 per pound of 10 pounds
Blend total pounds is x+10, price is unknown hence solved below
Using algebra
We find unknown x = number of pounds of royal soil
$6.50(x)+$2(10)=6.50x+20/x+10(x+10)
= 6.50x+20= 6.50x²+85x+200
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-20.85+15.50=-5.35,
basically, you still own the bank 5.50 dollars
Step-by-step explanation:
22 - 4x = 3
-4x = 3 - 22
-4x = - 19
x = - 19/-4
x = 19 /4 or 4.75
Answer:
$660
Step-by-step explanation: 5% per year
5x2= 10%
percent is always out of 100
100+10=110 110 divided by 100= 1.10
600x1.10= $660
Answer:
6*4+ 2*4 = 32
Step-by-step explanation:
6 times 4 plus 2 times 4 = 6*4+ 2*4
6*4+ 2*4 = 24 +8
24+8= 32