Answer:
She will make $232.1 in all over 4 weeks.
Step-by-step explanation:
Lucy's lemonade stand has increasing profit each week = 10%
Her profit for the initial week = $50.00
here the profit earned in every week will make a geometrical sequence.
In this sequence first term (a) = $50
and the common ratio (r) = = 1.1
sum of n terms of this sequence =
by substituting the values,
= 232.05 ≈ $232.1
She will make $232.1 in all over 4 weeks.
Answer: 1 gallon
Step-by-step explanation:
white: red: yellow
4 : 3 : 2
total units: 9 units
total amount: 3 gallons
one unit: 3/9
= 1/3
no of units of red: 3 units
amount of paint needed: 1/3 x 3
= 1 gallon
The amount invested by Mr.Smith in 5% is $240 .
<u>Step-by-step explanation:</u>
We have , Mr. Smith invests a certain amount of money at 8% and twice as much at 5%. If his annual income from the two investments is $720 . Let us suppose that Mr.Smith invest $x so :
Amount of money invested in 5% is . And, amount of money invested in 8% is twice that of 5% i.e. .
Now, total investment is $720 so,
+( ) = $720
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The amount invested by Mr.Smith in 5% is i.e.. ∴ The amount invested by Mr.Smith in 5% is $240 .