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sadeed00974
25.03.2020 •
Mathematics
UPPER AND LOWER BOUNDS
joy makes 6.5 litres of soup, correct to the nearest 0.5 litre. she serves the soup in 280ml portions, correct to the nearest 10 ml. 22 people order this soup.
does joy definitely have enough soup to serve the 22 people? show how you decide
your final line must be written as, joy definitely does have enough soup or joy may not have enough soup
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Ответ:
Yes, Joy has enough soup to serve 22 people since 22 is part of [22,23]
Step-by-step explanation:
#First, determine both the upper and lower bounds of the soup portion.
-given that the soup portions are correct to nearest 10ml, the interval will be of![\pm (10/2)mL=\pm\ 5mL](/tpl/images/0562/0471/46041.png)
Hence:
Upper Bound: 285ml turn it to 0.285 L
280ml
Lower Bound: 275ml turn it to 0.275 L
#Determine both the upper and lower bounds of the soup prepared.
-given that the soup prepared are correct to nearest 0.5L, the interval will be![\pm (0.5/2)L=0.25\ L](/tpl/images/0562/0471/fae01.png)
Upper Bound: 6.75 L
6.5 Litters
Lower Bound:6.25 L
#Divide the bound limits of the soup prepared by the corresponding limit of the soup portion to get the interval within which she can serve her soup
The interval of the people Joy can serve is therefore [22,25].
- 22is part of the interval and therefore Joy has enough soup to serve 22 people
Ответ: