Brian bought 8 postcards during 4 days of vacation. how many days will brian have to spend on vacation before he will have bought a total of 18 postcards? assume the relationship is directly proportional.

How do you answer this question? (step by step)

Which property is illustrated by the statement given below? raj raj.

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?