.05 or 5%. 5/100 windows were open. You put a zero before the five in decimal form to show it is in the hundredths place.
1954 to 2015 = 61 years
310,000 = x*(1.22)^61
where x i original price
x = 310,000 /
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185,33</span></span></span>2
x = <span><span><span>1.67
Original price = 1.67 which seems a little high, but that's my answer.
x = </span></span></span><span><span>12.22
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<span>Suppose 2x + y = 15 -----eq 1
. x + 3y = 20 -----eq 2.
Multiplying eq (1) by 1 and (2) by 2 and subtracting the result
We have: 2x + y = 15 and 2x +6y =40.If we subtract, we have y - 6y = 15 - 40.
So we have -5y = -25. y is 5. Substiting into eq (1), we have 2x + 5 = 15. 2x = 15-5 =10 Hence X =5.Hence option B is the correct option.</span>
B)decreases by one; arrow length decreases by 1/3
