Answer:
Multiply 4 portion by 4 to make 16 portions
Explanation:
Recipe for 4 portions of potato soup:
40 mL oil
50 g onions
300 g potatoes
550 mL milk
Richard follows the recipe but wants to make 16 portions.
Multiply each ingredients by 4 to make 16 portions of potato soup
Recipe for 16 portions of potato soup:
160 mL oil
200 g onions =
1200 g potatoes =
2200 mL milk