Starting at home, omar traveled uphill to the gift store for 30 minutes at just 10mph. he then travelled back home along the same path downhill at a speed of 30mph. what is his average speed for the entire trip to the gift store and back?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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?

Need solving this second acceleration problem.