Do the ratios 2/5 and 6/15 form a proportion?
2 answers:
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Answer:
B. 650 Roast Beef, 490 Tuna, 900 Turkey
Step-by-step explanation:
As this chart displays the order that occured in one week, in order to find the estimate for the month is to multiply the values on the chart by how many weeks there are in a month.
As there are 4 weeks in a months, we can multiply each value by this ratio
Roast Beef:
Tuna:
Turkey:
As this is an estimate, we are looking for the option that is the closest to these estimated values.
Option B is the closest to these values.
Answer:
The amount invested at 7% is $1,400 and the amount invested at 9% is $7,600
Step-by-step explanation:
Let
x ----> amount invested at 7%
(9,000-x) -----> amount invested at 9%
we know that
The interest earned by the amount invested at 7% plus the interest earned by the amount invested at 9% must be equal to $782
so
The linear equation that represent this problem is
solve for x
therefore
The amount invested at 7% is $1,400 and the amount invested at 9% is $7,600