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1) Sally sprints 300 yards in a minute. Quadra runs 20% further than Sally in the same time.
How far did Quadra sprint?

2) Newton spends 25% of his free time each day reading. If he spends 40 minutes reading, how much free time does he have an hours in minutes?

3) there are some fish in the aquarium. 40% of the fish are angelfish. If there are 12 angelfish in the aquarium, how many fish altogether.

4) Sally buys a tin of chocolates. she gives a quarter of the chocolate tiger, 10% to Newton, and 15% to Frazer, she keeps the remaining 15 chocolates for herself. How many chocolates were in the tin?

Sagot :

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1) answer = 360
explanation =
-> 10% of 300 = 300*10
-> 10% of 300 = 30
-> 20% = 10% x 2
-> 20% = 30 x 2
-> 20% = 60
-> 300 yards ( distance they ran ) + 60 yards ( how much more distance Quadra ran ) = 360 yards
2) answer = Newton spends 10 minutes or 1/6 hours reading
explanation =
-> 25% = 1/4
-> 40*4= 10
-> 1 hrs = 60 min
-> 10 min x 6 = 60 min
-> 1/6 hrs = 10 min
3) answer = 30 fish
explanation =
-> 40% = 12
-> 10% = 3
-> 40*4=10 and 12*4=3
-> 10% + 40% = 50% so 12 + 3 = 15
-> 50% = 15 and 100% = 15 x 2
-> 100% = 30
4) answer = 30
explanation =
-> 1/4 is equal to 25 %
-> add up all the prrcentages ( 25% + 10% + 15% = 50% )
-> she have 50% of tej chocolates Which were in the tin she bought away and kept 15 chocolates to herself
-> 50% = 1/2
-> 50% x 2 = 100%
-> 15 x 2 = 30
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