Question

Q1.

Table 1 shows information about some food components in cow's milk.

Table 1

Value

per

500 cm

Recommended Daily

Allowance (RDA) for a

typical adult

Energy in kJ

100mg = 100000ng

locong = Woococcõng

1046

8700

Fat in g

8. 4

70. 0

Salt in g

0. 5

6. 0

Calcium in mg

605

60 Sono pa

4. 5

1000

Legeacocaine

2. 4

Vitamin B-12 in ug

= 250cm

(a)

How much more milk would a typical adult have to drink to get their RDA for calcium

compared with the amount of milk needed to get their RDA for vitamin B-12?

Answer 1

A typical adult would need to drink an additional 413.22 cm of milk to reach their RDA for calcium compared to the amount needed to reach their RDA for vitamin B-12.

Step-by-step explanation:

To calculate how much more milk a typical adult would need to drink to get their RDA for calcium compared to their RDA for vitamin B-12, we need to compare the values in Table 1. The RDA for calcium is 1000 mg, while the RDA for vitamin B-12 is 2.4 ug. In Table 1, we can see that 500 cm of milk contains 605 mg of calcium and 250 cm of milk contains 2.4 ug of vitamin B-12.

Therefore, we can use a proportion to find the amount of milk needed to get the RDA for each nutrient:

1. Calcium: x/1000 = 500/605.
2. Vitamin B-12: x/2.4 = 250/2.4.

Simplifying the proportions, we find that x = 413.22 cm for calcium and x = 250 cm for vitamin B-12. Therefore, a typical adult would need to drink an additional 413.22 cm of milk to reach their RDA for calcium compared to the amount needed to reach their RDA for vitamin B-12.