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Nitella [24]
3 years ago
14

What does 21/8= as a mixed number?

Mathematics
2 answers:
anyanavicka [17]3 years ago
7 0

Answer:

The answer is 2 6/8

Step-by-step explanation:

Dmitriy789 [7]3 years ago
4 0

Answer:

21 - (8 x 2) = 5

We've now simplified 21/8 to a mixed number. To see it, we just need to put the whole number together with our new numerator and original denominator:

2 5/8

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If each notepad costs $.65, it would cost $2.60 to buy four, so she does not have enough
3 0
3 years ago
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You buy the following materials for the new extension. Calculate the cost of the bricks and cement and then work out the total c
bogdanovich [222]

<u>Answer:</u>

Cost of sand = £150

Cost of bricks =  £157.5

Cost of cement = £134

Total cost = £441.50

<u>Step-by-step explanation:</u>

We are given that:

2 tonnes of sand  is for £75.00 per tonne,

20 bags of cement  are for £6.70 per bag,

350 bricks at 45p each,

So, 2 tonnes of sand  at £75.00 per tonne = 2 * £75.00 = £150.00

20 bags of cement  at £6.70 per bag = 20 * £6.70 = £134.00

350 bricks at 45p each = 350 * £0.45 = £157.50

Therefore, the total cost of all the materials = £150 + £134 + £157.5 = £441.50

7 0
3 years ago
How fast was a plane flying if it traveled 40 kilometers in 30 minutes​
dangina [55]

Answer:

80 km/hr

Step-by-step explanation:

0.5 hour = 30 min

40 km in 30 min

80km in 60 min

4 0
2 years ago
Celine ate brunch at a restaurant. The bill came to $72.80. If she left a 15% tip, what was the total cost of her brunch?
DedPeter [7]

Answer:

<em>$83.69</em>

Step-by-step explanation:

Given the following

Initial Cost of the brunch = $72.80

Percentage tip = 15%

Tip paid = 15% of $72.60

Tip paid = 0.15 * 72.60

Tip paid = $10.89

Total cost of brunch =  $72.80 + $10.89

Total cost of brunch = $83.69

<em>Hence the total cost of her brunch is $83.69</em>

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nignag [31]

Answer:

c

Step-by-step explanation:

A is True

B is True

D is true


3 0
2 years ago
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