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Arlecino [84]
3 years ago
8

I NEED HELP WITH MY FINALL

Mathematics
2 answers:
sweet [91]3 years ago
5 0

what you need help with?

JulijaS [17]3 years ago
4 0

Answer:

it takes 2.56 (or 2 14/25) months

Step-by-step explanation:

Edmond has $45 in his saving account. He wants to purchase a computer that costs $768. He starts to babysit for his cousin and gets paid $90/week. He plans to spend some money and deposit $75/ week in his account. Define a variable and write an equation and solve to find how many months it takes for him to buy the computer. Assume that every month has 4 weeks

Even though Edmond is getting $90 a week, he's only depositing $75

Based on this information your equation would be:

75w = $768 where w = week

To solve that divide 75 by 768

w = 10.24 or 10 6/25

If there are 4 weeks in a month then your new equation would be

w/4 = m where m = months

To solve this, substitute w for 10.24 or 10 6/25

(10.24)/4 = m

m = 2.56 or 2 14/25

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The physician orders penicillin 500,000 units for a patient while the concentration of the drug you have is 1,000,000 units/ 1mL. It's clear that 1mL drug is too much for the patient since 1,000,000 units are higher than 500,000 units.  

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