Answer:
0.16cm squared
Step-by-step explanation:
area is base times height
the base and height of a square is equal
so it would be 0.4 times 0.4
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Substituting 3 for x:
-4(3)+9
-12+9
-3
Athena purchased a chain for $5 and sold it for $ 15, her profit for each chain is $15-$5. So for 2 chains, her net profit = 2*(15-5)
She also purchased bracelets for $8 and sold them for $9, her profit for each chain is $9-$8 . So for three 3 bracelets, her net profit = 3*(9-8)
Net profit from chains = 2*(15-5) or 2*15 - 2*5 (distributive property)
Net profit from chains = 2*10 or 10*2 (Commutative property)
Net profit from chains= $20
Net profit from bracelets = 3*(9-8) or 3*9 -3*8 (distributive property)
Net profit from bracelets = 3*1 or 1*3 (Commutative property)
Net profit from bracelets = $3
Answer:
The answer is also 3.14 when you round it up
Find the LCD (least common denominator)
15 in this case
Convert to have 15 as denominators
1/3 = 5/15
2/5 = 6/15
Subtract
(6/15) - (5/15)
1/15
He had 1/15 less
