Sumita is following this recipe to make flapjacks. Sumita uses 20 g of sugar.
How many flapjacks is Sumita making?
Recipe: Makes 14 flapjacks
220 g margarine
140 g sugar
140 ml syrup
250 g oats
30 g sultanas

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible