The of 4 consecutive even integers is 60. What are the integers? 1222 22 sum 3 x

Question

The of 4 consecutive even integers is 60. What are the integers? 1222 22 sum 3 x :54 into a S6000 savings she uses some to buy stock in Google, which grows with a 9% interest rate, The rest she puts treasury bond, which grows with a 4% interest rate. if she earns s46s of interest, how much did she invest in each place? 7. Jack and Jill start walking in opposite directions. Since Jill is a professional speed walker, she walks 4 feet per second faster than Jack. After 20 seconds, the two are 200 feet apart. How fast is each one walki 8. The population of Dullsville is currently 340,000. This is a 15%drop since the year 2001, what was the population in 2001? 9. A rectangular computer screen has perimeter of4680 pixels. if its length is 540 pixels more than its width, what are its dimensions?

Explanation / Answer

5. Let the first even number be x

Therefore the next consecutive even numbers are x+2,x+4,x+6

According to question

x+x+2+x+4+x+6=60

4x+12=60

4x=48

x=12

Therefore the numbers are 12,14,16,18

6. Let the amount invested in stock of google be $x. Therefore amount invested in treasury bond=$6000-x

Interest on google stock=x*.09

Interest on treasury bond=(6000-x)*.04

Total interest=$465

465=.09x + (6000-x).04

x=$4500

So she invested $4500 in google's stock and $1500 in treasury bond

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