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Masteriza [31]
3 years ago
13

Joy makes 6.5 litres of soup, correct to the nearest 0.5 litre. She serves the soup in 280 ml portions, correct to the nearest 1

0ml. 22 people order this soup. Does Joy have enough soup
Mathematics
2 answers:
max2010maxim [7]3 years ago
8 0

Amount of soup made by Joy = 6.5 liters and nearest to 0.5 liters is 7 liters

Amount of soup in each serving portion = 280 ml. As the last digit is zero, this will not be rounded off and nearest value will remain 280

Number of people being served = 22

So total consumption of soup for 22 people is =

22\times280=6160 = 6160 ml

In liters this is = \frac{6160}{1000}=6.160 liters

Hence, Joy has enough soup for 22 people.

Levart [38]3 years ago
7 0

Answer:

Joy definitely does have enough soup for 22 people.


Step-by-step explanation:

Upper Bound: 285ml  turn it to 0.285 L                      10÷2=5

280ml  :

Lower Bound: 275ml turn it  to 0.275 L

Upper Bound: 6.75 L                           0.5÷2=0.25

6.5 Litters  :

Lower Bound:6.25  L

6.75÷0.275=24.54 or 25  

6.25÷0.285=21.92 or 22

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This situation has two unknowns - the total number of half dollars and the total number of quarters. Because we have two unknowns, we will write a system of equations with two equations using the two unknowns.

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