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Score
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25
×
(1/2)m + (3/4)m â m = 2.5
m = 2.5 Ã 4 = 10
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25
×
4x/3 â 7x/3 = 1
x = â 1
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25
×
A man is four times as old as his son. After 20 years, he will be twice as old as his son at that time. Find their present ages.
present age of son = 10 years Present age of father = 4 Ã 10 = 40 years
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monster
Reset all scores!
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×
magnet
Take 20 points!
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×
shark
Other team loses 20 points!
Okay!
×
banana
Go to last place!
Oops!
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trap
No points!
Oops!
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rocket
Go to first place!
Okay!
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gift
Win 20 points!
Okay!
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thief
Give points!
5
10
15
20
25
25
×
0.6a + 0.2a = 0.4a + 8
a = 80/4 = 20
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25
×
4x â 5x + 2x = 28 + 3x
x = -14
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×
baam
Lose 20 points!
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shark
Other team loses 25 points!
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shark
Other team loses 10 points!
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lifesaver
Give 15 points!
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25
×
6(x+4) = 36
2
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baam
Lose 15 points!
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shark
Other team loses 25 points!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
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25
×
The difference between a number and one-fourth of itself is 24, find the number.
the number is 32.
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25
×
Find three consecutive natural numbers such that the sum of the first and the second is 15 more than the third.
Solution: 16 , 17 , 18
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25
×
9b â 4b + 3b = 16
2
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25
×
A man has âđ x from which he spends âđ 6. If twice of the money left with him is âđ 86, find x.
the total money he have = 43 + 6 = âđ 49
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