2 years ago

What so the tax cost $15 tax 5% what do I do

Mathematics

1 answer:

Lisa [10]2 years ago

7 0

Answer:

$15.75

Step-by-step explanation:

15 + (15 x 0.05)

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cynthia invests some money in a bank which pays 5% compound interest per year. She wants it to be worth over £8000 at the end of

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Answer:

The smallest amount is $\£6,911$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

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in this problem we have

$t=3\ years\\ A=\£8,000\\ r=5\%=5/100=0.05\\n=1$

substitute in the formula above

$8,000=P(1+\frac{0.05}{1})^{1*3}$

solve for P

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$P=8,000/(1.05)^{3}$

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Round to the nearest pound she can invest

The smallest amount is $\£6,911$

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2 years ago

Tickets to a local movie were sold at $3.00 for adults and $1.50 for students. If 350 tickets were sold for a total of $630.00,

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A train travels 80 miles per hour. If its speed remains the same, how far will the train have gone in 90 minutes?

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