Question

Joy makes 6.5 litres Of soup correct to the nearest 0.5 Litres.

She serves the soup in 280 mL portions correct to the nearest 10 ml
Does Joy have enough soup to serve 22 people if so show your working

Answer 1

Yes, Joy does have enough soup for 22 people.

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

22≤x<25 Joy definitely does have enough soup for 22 people.