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pochemuha
3 years ago
13

Your friend gave you a gift card to a new restaurant. After you spend $36$36 on dinner, there is a balance of $44$44 left on the

gift card. What was the original gift card amount?
Mathematics
2 answers:
JulsSmile [24]3 years ago
4 0
80 dollars was the original balance

Mars2501 [29]3 years ago
3 0

Answer:

80 dollars.

Step-by-step explanation:

To calculate this we just create a simple equation, where the total will be represented by x, so total will equal the remaining money + the spent money:

Total= Remaining `+ Spent

X=$44+ $36

x= $80

So the origina amount in the gift card was $80.

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Yesterday noah ran 2 1/2 miles in 3/5 hour. Emily ran 3 3/4 miles in 5/6 hour. Anna ran 3 1/2 miles in 3/4 hour how fast in mile
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Answer:

Step-by-step explanation:

To calculate the speed of each one we proceed as follows:

speed=distance/time

a] Noah's speed:

distance=2.5 miles

time=3/5 hours

speed=(2 1/2)/(3/5)

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=4 1/6 mi/hr

Emily's speed

distance=3 3/4 miles

time=5/6 hour

thus

speed=(3 3/4)/(5/6)

=15/4)/(5/6)

=15/4×6/5

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Anna's speed:

distance=3 1/3 miles

time=3/5

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=(10/3)/(3/5)

=10/3×5/3

=5 5/9 mi/hr

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2 years ago
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B Christian installed an electric pump to pump water from a borehole into a 30 000 litre cement dam. If the water is pumped at a
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Given the amount of water needed to fill the cement dam and the water pump rate, the time needed to fill the dam is 400 minutes or 6hours 40minutes.

Option B)6h 40min is the correct answer.

<h3>How long does it take to fill the dam?</h3>

Given that;

  • Amount of water needed to fill the dam A = 30000 litres
  • Pump rate r = 75 litres per minute
  • Time needed to fill the dam T = ?

To determine how long it take to fill the dam, we say;

Time need = Amount of water needed ÷ Pump rate

T = A ÷ r

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Note that; 60min = 1hrs

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Given the amount of water needed to fill the cement dam and the water pump rate, the time needed to fill the dam is 400 minutes or 6hours 40minutes.

Option B)6h 40min is the correct answer.

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