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3 years ago

7

I need help plz and this is due today

1 answer:

kogti [31]3 years ago

8 0

Answer: 1

Step-by-step explanation:

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Step-by-step explanation:

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Ivanshal [37]

A(b+c)=a*b+a*c CORRECT

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alekssr [168]

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3 years ago

Diana invested $3000 in a savings account for 3 years. She earned $450 in interest over that time period. What interest rate did

Tanya [424]

Answer:

$r=0.05$

Step-by-step explanation:

we know that

The simple interest formula is equal to

$I=P(rt)$

where

A is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=3\ years\\ P=\$3,000\\I=\$450\\r=?$

substitute in the formula above

$450=3,000(3r)$

solve for r

$450=9,000(r)$

$r=450/9,000$

$r=0.05$

6 0

4 years ago