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SOLVE ANY BUT PUT THE NUMBER WITH IT
J=7k+5
1. When the value of k increases by 2, by what amount does the value of j increase?

2. what is ture?
1/6 = 0.16
0.08 = 4/5
0.25 = 1/4
1/3 = 0.3

3. Kelly makes 12 candles in 3 hours. How many candles does Kelly make in 8 hours?

4. A bottle of soap costs $3.45 for 64 ounces. What is the cost per ounce?

5. A company is printing 250 calendars. In 1 hour, 75 calendars are printed. What percent of the calendars are printed in 1 hour?

Sagot :

Iloveonedirectionidn
1.
k = 1
J = 7(1) + 5
J = 12

k = 1 + 2 = 3
J = 7(3) + 5
J = 26

26 - 12 = 14
J increases by 14.


2. 
1/6 = 0.16 false (1/6 = 1.67)
0.08 = 4/5 false (0.08 = 8/100 = 2/25)
0.25 = 1/4 true (0.25 = 25/100 = 1/4)
1/3 = 0.3 true (if rounded)


3.
12 candles in 3 hours
12 ÷ 3 = 4
4 candles in 1 hour
4 × 8 = 32
32 candles in 8 hours


4.
$3.45 for 64 ounces
3.45 ÷ 64 = 0.05
$0.05 or 5 cents per ounce


5.
75 is what percent of 250?
75 ÷ 250 = 0.3
0.3 × 100 = 30
30%