L = longer piece s = shorter piece
{ l + s = 63
{ l = s + 15
l + s = 63
(s + 15) + s = 63
2s = 63 - 15
2s = 48
s = 48
2
s = 24
l + s = 63
l + 24 = 63
l = 63 - 24
l = 39
<span>S = 39 cm
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Answer:
2/5 4/10 40/100
Step-by-step explanation:
40 percent is 40 out of 100 which is simplified to 4 out of 10 or 2 out of 5.
X (unknown number at first is 28) is the number 28.
28/7=4. 2(28) divided by 7= is also 56 divided by 7.
Which is 8. 8 is the final answer.
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Answer:
2
Step-by-step explanation:
Answer:
a. 1/26 , 3.8462%
b. 2/3, 66.7%
c. 1/6, 16.67%
Step-by-step explanation:
a. There are 54 cards in a standard deck, and 4 of each card
b. There are 6 possible numbers, and 4 are less than five