3 years ago

Please help me I need help ASAP

Mathematics

1 answer:

never [62]3 years ago

7 0

you have to start at -2 on the y axis and go up 4 and across 7 and keep going until you're off the graph

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Katie invested a total of $4000, part at 2% simple interest and part at 3% simple interest. At the end of 1 year, the inves

Fiesta28 [93]

Answer:

$3000

$1000

Step-by-step explanation:

the formula for simple interest = principal x time x interest rate

let the amount invested in the 2% investment be a

let the amount invested in the 3% investment be (4000 - a)

(a x 0.02 x 1) + ([4000 - a] x 0.03 x 1) = $90

0.02a + 120 - 0.03a = 90

Collect like terms and solve for a

0.01a = 30

a = $3000

The amount invested in the 3% investment be (4000 - a) = $4000 - $3000 = $1000

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Serga [27]

Answer:

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Step-by-step explanation:

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Does the answer help you?

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