Step-by-step explanation:
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Answer:
23/7
Step-by-step explanation:
7x + 15 = 38
subtract 15 from both sides : 7x+15-15=38-15
7x=23
divide both sides by 7: 7x/7 = 23/7
x=23/7
<span>-3 + y = 0
All you need to do is add 3 to both sides so that the -3 cancels out on the left side. Doing this will also leave you with the variable y on the left side.
Final Answer: y= 3</span>
Answer:
a) 0.04
b) 0.08
Step-by-step explanation:
Part a)
Divide the price of a pack by the number of stickers in a pack to get the price of one sticker.
$2/50 = $0.04/1
One stickers costs $0.04.
Part b)
Calculate 80% more than the price of one sticker.
80% in decimal form is 0.8. 80% more than the price is calculated with the factor 1.8.
($0.04)(1.8) = $0.072
Round 0.072 up because is rounded down, the profit is less than 80%.
0.072 => 0.08
Each sticker would need to be sold for $0.08.
4/3 or -8 ..........................