Determine if the following conjecture is valid. Given: For the past five years, Robyn has grown 2 in. every year. She is now 15 years old and is 5 ft, 4 in. tall.

Conclusion: Robyn will be 6 ft, 2 in. tall when she's 22 years old.

No. Her height at 22 would be 6'6. (Wow is that tall for a 22-year-old woman!)

Step-by-step explanation:

We know that at age 15 she's 5'4" and grows 2 in. So let's go all the way to 22 yrs by following the pattern.

16 yrs: 5'6

17 yrs: 5'8

18 yrs: 5'10

19 yrs: 6 feet

20 yrs: 6'2...

the ratio of white tiles to blue tiles is 48: 16. the ratio in it's simplest form is 3: 1.

step-by-step explanation:

ratio: take the first number and add a colon next to it, then add the second number after that. make sure the ratio order matches up with the written problem!

simplest form: we can simplify the ratio 48 : 16 by dividing both terms by the greatest common factor (gcf).

the gcf of 48 and 16 is 16.

divide both terms by 16:

48 ÷ 16 = 3

16 ÷ 16 = 1

reducing to simplest form:

48 : 16 = 3 : 1

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