Barry grows apples, blueberries, grapes, and zucchini on his farm. He sells his grapes for $3.50 per pound. How much money did h
e make selling grapes on Saturday and Sunday?
A)$52.50
B)$108.50
C)$101.50
D)$49.00
A)$52.50
B)$108.50
C)$101.50
D)$49.00
1 answer:
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Answer:
The amount invested in the mutual fund that earned 5% was $1,000
The amount invested in the mutual fund that earned 3% was $1,800
Step-by-step explanation:
Let
x ----> the amount invested in the mutual fund that earned 5%
y ----> the amount invested in the mutual fund that earned 3%
we know that
---->
----> equation A
----> equation B
Solve the system by substitution
substitute equation A in equation B
Solve for x
<em>Find the value of y</em>
therefore
The amount invested in the mutual fund that earned 5% was $1,000 and the amount invested in the mutual fund that earned 3% was $1,800
The formulas for conditional probability are:
.
Since
and 
, you have the equation 
.
Therefore,
.
Answer: The correct choice is D.
Since
Therefore,
Answer: The correct choice is D.